/* ==========================================================================
   DESIGN SYSTEM TOKENS (Notion-Inspired System)
   ========================================================================== */
:root {
  --color-primary: #0075de;
  --color-primary-active: #005bab;
  --color-secondary: #213183;
  --color-on-primary: #ffffff;
  
  --color-canvas: #ffffff;
  --color-canvas-soft: #f6f5f4;
  --color-surface: #ffffff;
  
  --color-ink: #000000;
  --color-ink-secondary: #31302e;
  --color-ink-muted: #615d59;
  --color-ink-faint: #a39e98;
  --color-hairline: #e6e6e6;
  --color-hairline-dark: #d4d0cb;

  /* Sticker & Accent Palette */
  --accent-sky: #62aef0;
  --accent-sky-bg: rgba(98, 174, 240, 0.12);
  --accent-purple: #d6b6f6;
  --accent-purple-deep: #391c57;
  --accent-purple-bg: rgba(214, 182, 246, 0.18);
  --accent-pink: #ff64c8;
  --accent-pink-bg: rgba(255, 100, 200, 0.12);
  --accent-orange: #dd5b00;
  --accent-orange-deep: #793400;
  --accent-orange-bg: rgba(221, 91, 0, 0.1);
  --accent-teal: #2a9d99;
  --accent-teal-bg: rgba(42, 157, 153, 0.12);
  --accent-green: #1aae39;
  --accent-green-bg: rgba(26, 174, 57, 0.12);
  --accent-brown: #523410;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  /* Radii */
  --rounded-xs: 4px;
  --rounded-sm: 5px;
  --rounded-md: 8px;
  --rounded-lg: 12px;
  --rounded-xl: 16px;
  --rounded-full: 9999px;

  /* Spacing */
  --space-xxs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-xxl: 40px;

  /* Elevation / Shadows */
  --shadow-soft: 0 1px 3px rgba(0,0,0,0.02), 0 4px 12px rgba(0,0,0,0.03);
  --shadow-elevated: 0 2px 4px rgba(0,0,0,0.02), 0 8px 24px rgba(0,0,0,0.06);
  --shadow-form: 0 12px 36px -4px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.03);
}

html, body {
  overflow-x: hidden !important;
  max-width: 100vw;
  width: 100%;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 2rem;
}

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

/* Base Body Context for Product Container */
.product-body-context {
  background-color: var(--color-canvas-soft);
  color: var(--color-ink);
  line-height: 1.6;
  font-feature-settings: "lnum" 1, "locl" 1;
}

/* ==========================================================================
   TYPOGRAPHY (Clean Notion Proportions & Spacing)
   ========================================================================== */
.product-page-wrapper h1, 
.product-page-wrapper h2, 
.product-page-wrapper h3, 
.product-page-wrapper h4 {
  color: var(--color-ink);
  font-weight: 700;
  line-height: 1.25;
}

.product-page-wrapper h1 {
  font-size: 2.25rem;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.product-page-wrapper h2 {
  font-size: 1.55rem;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-hairline);
}

.product-page-wrapper h3 {
  font-size: 1.18rem;
  letter-spacing: -0.015em;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.product-page-wrapper h4 {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 4px;
}

.product-page-wrapper p {
  color: var(--color-ink-secondary);
  font-size: 0.98rem;
  line-height: 1.65;
  margin-bottom: var(--space-md);
}

.product-page-wrapper strong {
  color: var(--color-ink);
  font-weight: 600;
}

/* ==========================================================================
   PAGE CONTAINER & TWO-COLUMN LAYOUT
   ========================================================================== */
.product-page-wrapper {
  max-width: 1380px;
  width: 100%;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md) 3rem;
  overflow-x: hidden;
  box-sizing: border-box;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-lg);
  overflow-x: auto;
  white-space: nowrap;
  max-width: 100%;
}

.breadcrumb-nav a {
  color: var(--color-ink-muted);
  transition: color 0.15s ease;
}
.breadcrumb-nav a:hover {
  color: var(--color-primary);
}
.breadcrumb-nav .separator {
  color: var(--color-ink-faint);
}

.layout-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: var(--space-xl);
  align-items: start;
  margin-bottom: 4rem;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

@media (max-width: 1060px) {
  .layout-grid {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }
}

/* ==========================================================================
   LEFT COLUMN (CONTENT STREAM)
   ========================================================================== */
.content-stream {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  min-width: 0;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

/* Product Header & Gallery Tile */
.product-hero-card {
  background: var(--color-surface);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-soft);
  min-width: 0;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: var(--space-sm);
}

.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--rounded-full);
  letter-spacing: 0.02em;
}

.pill-blue { background: #e8f3fc; color: var(--color-primary); }
.pill-green { background: var(--accent-green-bg); color: #0d6e24; }
.pill-purple { background: var(--accent-purple-bg); color: var(--accent-purple-deep); }
.pill-orange { background: var(--accent-orange-bg); color: var(--accent-orange-deep); }
.pill-teal { background: var(--accent-teal-bg); color: #16605e; }
.pill-sky { background: var(--accent-sky-bg); color: #005bab; }

.product-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-ink);
  line-height: 1.2;
  margin-bottom: var(--space-xs);
}

.product-subtitle {
  font-size: 1.05rem;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-lg);
}

/* Single Featured Hero Image */
.featured-image-container {
  width: 100%;
  margin-bottom: var(--space-lg);
}

.main-image-frame {
  background: #faf9f8;
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
}

.main-image-frame picture,
.main-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Quick Specs Ribbon */
.quick-specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: var(--space-sm);
  background: var(--color-canvas-soft);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-md);
  padding: var(--space-md);
}

.spec-item {
  display: flex;
  flex-direction: column;
}

.spec-item .label {
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
  margin-bottom: 2px;
}

.spec-item .value {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-ink);
}

/* General Content Cards */
.content-card {
  background: var(--color-surface);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-soft);
  min-width: 0;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* Callout Blocks (Notion Style) */
.notion-callout {
  display: flex;
  gap: var(--space-md);
  background: var(--color-canvas-soft);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--rounded-xs);
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-md) 0 var(--space-lg);
}

.notion-callout.featured-snippet {
  background: #f0f7ff;
  border-left-color: var(--color-primary);
}

.notion-callout.warning {
  background: #fff8f0;
  border-left-color: var(--accent-orange);
}

.notion-callout.success {
  background: #f2fbf4;
  border-left-color: var(--accent-green);
}

.callout-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  line-height: 1.4;
}

.callout-body p:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   CLUTTER-FREE LISTS & NATURAL TEXT FLOW
   ========================================================================== */
.clean-text-list {
  list-style: none;
  padding: 0;
  margin: var(--space-sm) 0 var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.clean-text-list li {
  position: relative;
  padding-left: 24px;
  color: var(--color-ink-secondary);
  font-size: 0.96rem;
  line-height: 1.6;
  display: block;
}

.clean-text-list li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-primary);
}

.clean-text-list li strong {
  color: var(--color-ink);
  font-weight: 600;
}

/* Clean Info Rows / Cards */
.info-stack-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: var(--space-md) 0 var(--space-lg);
}

.info-stack-card {
  background: var(--color-canvas-soft);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-md);
  padding: var(--space-md) var(--space-lg);
}

.info-stack-card .card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.info-stack-card .card-title {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--color-ink);
}

.info-stack-card p {
  font-size: 0.92rem;
  margin-bottom: 0;
  color: var(--color-ink-secondary);
  line-height: 1.6;
}

/* 3-Box Grid */
.feature-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
  margin: var(--space-md) 0 var(--space-lg);
}

.feature-box {
  background: var(--color-canvas-soft);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-md);
  padding: var(--space-md);
}

.feature-box h4 {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.95rem;
  color: var(--color-ink);
  margin-bottom: var(--space-xs);
}

.feature-box p {
  font-size: 0.88rem;
  margin-bottom: 0;
  color: var(--color-ink-secondary);
  line-height: 1.55;
}

/* ==========================================================================
   MATERIAL CATEGORIES (Stacked Layout)
   ========================================================================== */
.materials-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin: var(--space-md) 0 var(--space-lg);
}

.material-section-card {
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-md);
  background: var(--color-surface);
  overflow: hidden;
}

.material-card-header {
  background: var(--color-canvas-soft);
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.material-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-ink);
}

.material-card-body {
  padding: var(--space-md) var(--space-lg);
}

.material-card-body p.intro {
  font-size: 0.94rem;
  margin-bottom: var(--space-sm);
  color: var(--color-ink-secondary);
}

.grade-breakdown-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: var(--space-md);
}

.grade-item {
  padding-left: 14px;
  border-left: 2px solid var(--color-hairline-dark);
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--color-ink-secondary);
}

.grade-item strong {
  color: var(--color-ink);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-top: var(--space-xs);
  border-top: 1px solid var(--color-hairline);
}

.micro-tag {
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--color-canvas-soft);
  border: 1px solid var(--color-hairline);
  padding: 3px 8px;
  border-radius: var(--rounded-xs);
  color: var(--color-ink-secondary);
}

/* ==========================================================================
   QUALITY ASSURANCE & NDT (2-Col Grid)
   ========================================================================== */
.qa-tests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
  margin: var(--space-md) 0 var(--space-lg);
}

.qa-test-card {
  background: var(--color-canvas-soft);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-md);
  padding: var(--space-md);
}

.qa-test-card h4 {
  font-size: 0.95rem;
  color: var(--color-ink);
  margin-bottom: 6px;
}

.qa-test-card p {
  font-size: 0.88rem;
  margin-bottom: 0;
  color: var(--color-ink-secondary);
  line-height: 1.55;
}

/* MTC Parameter Cards */
.mtc-params-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.mtc-param-box {
  background: var(--color-surface);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-xs);
  padding: 10px 14px;
  font-size: 0.86rem;
  color: var(--color-ink-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.mtc-param-box::before {
  content: "✓";
  color: var(--accent-green);
  font-weight: bold;
}

/* ==========================================================================
   CHECKLIST STYLING
   ========================================================================== */
.checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin: var(--space-md) 0 var(--space-lg);
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: var(--space-md);
  background: var(--color-canvas-soft);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-md);
}

.check-num {
  background: var(--color-primary);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  width: 26px;
  height: 26px;
  border-radius: var(--rounded-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.check-content strong {
  display: block;
  font-size: 0.96rem;
  color: var(--color-ink);
  margin-bottom: 3px;
}

.check-content p {
  font-size: 0.88rem;
  margin-bottom: 0;
  color: var(--color-ink-secondary);
  line-height: 1.55;
}

/* ==========================================================================
   TABLES (High density, readable Notion style)
   ========================================================================== */
.table-responsive-wrapper {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-md);
  background: var(--color-surface);
  margin: var(--space-md) 0 var(--space-lg);
}

.notion-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  text-align: left;
  min-width: 620px;
}

.notion-table th {
  background-color: var(--color-canvas-soft);
  color: var(--color-ink-secondary);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-hairline);
  white-space: nowrap;
}

.notion-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--color-hairline);
  color: var(--color-ink-secondary);
  vertical-align: middle;
}

.notion-table tr:last-child td {
  border-bottom: none;
}

.notion-table tbody tr:hover {
  background-color: rgba(0, 0, 0, 0.015);
}

.notion-table .highlight-col {
  background-color: rgba(0, 117, 222, 0.03);
  font-weight: 500;
}

.table-note {
  font-size: 0.82rem;
  color: var(--color-ink-muted);
  font-style: italic;
  margin-top: -6px;
  margin-bottom: var(--space-md);
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.faq-item {
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-md);
  background: var(--color-surface);
  overflow: hidden;
  transition: border-color 0.15s ease;
}

.faq-item[open] {
  border-color: var(--color-hairline-dark);
  background: #fafaf9;
}

.faq-question {
  padding: var(--space-md);
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--color-ink);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: "+";
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--color-ink-muted);
  transition: transform 0.2s ease;
}

.faq-item[open] .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 var(--space-md) var(--space-md);
  font-size: 0.9rem;
  color: var(--color-ink-secondary);
  line-height: 1.6;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

/* In-Content Banner */
.in-content-cta-banner {
  background: #f0f7fc;
  border: 1px solid #c7e2f9;
  border-radius: var(--rounded-lg);
  padding: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin: var(--space-lg) 0;
}

.banner-text h3 {
  margin-top: 0;
  margin-bottom: 4px;
  font-size: 1.12rem;
  color: var(--color-secondary);
}

.banner-text p {
  margin-bottom: 0;
  font-size: 0.9rem;
  color: var(--color-ink-secondary);
}

.btn-notion-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-on-primary) !important;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: var(--rounded-full);
  border: none;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
  transition: background-color 0.15s ease, transform 0.1s ease;
  white-space: nowrap;
}

.btn-notion-primary:hover {
  background-color: var(--color-primary-active);
  text-decoration: none;
}

.btn-notion-primary:active {
  transform: scale(0.98);
}

/* ==========================================================================
   RIGHT COLUMN (STICKY RFQ GET QUOTATION FORM)
   ========================================================================== */
.sticky-form-sidebar {
  position: sticky;
  top: 5.5rem;
  align-self: start;
}

.rfq-form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-form);
}

.form-header {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-hairline);
}

.form-badge-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.form-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-ink);
  line-height: 1.2;
}

.form-subtitle {
  font-size: 0.84rem;
  color: var(--color-ink-muted);
  margin-top: 2px;
}

.rfq-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-ink-secondary);
  letter-spacing: 0.01em;
}

.form-group label span.req {
  color: #dd5b00;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xs);
}

.form-control {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid #d4d0cb;
  border-radius: var(--rounded-xs);
  padding: 8px 10px;
  font-family: var(--font-family);
  font-size: 0.88rem;
  color: var(--color-ink);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(0, 117, 222, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 56px;
}

.form-submit-btn {
  width: 100%;
  background: var(--color-primary);
  color: var(--color-on-primary);
  border: none;
  border-radius: var(--rounded-full);
  padding: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background-color 0.15s ease, transform 0.05s ease;
  margin-top: 4px;
}

.form-submit-btn:hover:not(:disabled) {
  background: var(--color-primary-active);
}

.form-submit-btn:active:not(:disabled) {
  transform: scale(0.98);
}

.form-submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

#custom-material-group {
  transition: all 0.2s ease-in-out;
}

.form-status-alert {
  padding: 10px 14px;
  border-radius: var(--rounded-xs);
  font-size: 0.85rem;
  line-height: 1.4;
  margin-bottom: var(--space-xs);
  display: none;
}
.form-status-alert.error {
  display: block;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #b91c1c;
}
.form-status-alert.success {
  display: block;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #15803d;
}

/* ==========================================================================
   RESPONSIVE REFINEMENTS (Mobile-First / High Usability)
   ========================================================================== */

/* Mobile Bottom Floating Action Bar */
.mobile-floating-cta-bar {
  display: none;
}

@media (max-width: 1060px) {
  .layout-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .sticky-form-sidebar {
    position: static;
    top: auto;
    width: 100%;
    max-width: 580px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .product-page-wrapper {
    padding: 1rem 0.85rem 5.5rem;
    overflow-x: hidden;
  }
  
  .layout-grid {
    gap: 1.25rem;
    margin-bottom: 2rem;
  }

  .content-stream {
    gap: 1.25rem;
  }

  .product-hero-card,
  .content-card,
  .rfq-form-card {
    padding: 1.25rem 1rem;
    border-radius: var(--rounded-md);
  }

  .product-title {
    font-size: 1.45rem;
    line-height: 1.22;
    word-break: break-word;
    margin-bottom: 0.5rem;
  }

  .product-subtitle {
    font-size: 0.92rem;
    line-height: 1.45;
    margin-bottom: 1rem;
  }

  .hero-tags {
    gap: 6px;
    margin-bottom: 0.75rem;
  }

  .pill-badge {
    font-size: 0.72rem;
    padding: 3px 8px;
  }

  .product-page-wrapper h2 {
    font-size: 1.28rem;
    line-height: 1.3;
    margin-bottom: 0.85rem;
  }

  .product-page-wrapper h3 {
    font-size: 1.05rem;
    margin-top: 1rem;
  }

  .product-page-wrapper p {
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: 0.85rem;
  }

  /* Quick Specs 2-Col Grid on Mobile */
  .quick-specs-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    padding: 10px;
  }
  .quick-specs-grid .spec-item:last-child {
    grid-column: span 2;
  }
  .spec-item .label {
    font-size: 0.68rem;
  }
  .spec-item .value {
    font-size: 0.84rem;
  }

  /* Notion Callouts */
  .notion-callout {
    flex-direction: column;
    gap: 8px;
    padding: 12px 14px;
    margin: 1rem 0;
  }

  /* Grids Stack cleanly */
  .feature-grid-3,
  .qa-tests-grid,
  .mtc-params-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .checklist-item {
    padding: 12px;
    gap: 10px;
  }

  .material-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 10px 12px;
  }
  .material-card-body {
    padding: 12px 14px;
  }

  .info-stack-card {
    padding: 12px 14px;
  }
  .info-stack-card .card-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  /* In-content CTA */
  .in-content-cta-banner {
    flex-direction: column;
    align-items: stretch;
    padding: 1.25rem 1rem;
    gap: 1rem;
    text-align: left;
  }
  .in-content-cta-banner .btn-notion-primary {
    width: 100%;
    text-align: center;
  }

  /* Form Elements: Prevent iOS Safari Auto-Zoom */
  .form-row-2 {
    grid-template-columns: 1fr;
  }
  .form-control,
  select.form-control {
    font-size: 16px !important;
    padding: 10px 12px;
  }
  .form-submit-btn {
    padding: 13px;
    font-size: 0.98rem;
  }

  /* Tables: Smooth Touch Scroll */
  .table-responsive-wrapper {
    margin-left: 0;
    margin-right: 0;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    border-radius: var(--rounded-xs);
    -webkit-overflow-scrolling: touch;
  }
  .notion-table th,
  .notion-table td {
    padding: 8px 10px;
    font-size: 0.82rem;
    white-space: nowrap;
  }

  /* FAQ Accordion */
  .faq-question {
    padding: 12px 14px;
    font-size: 0.92rem;
  }
  .faq-answer {
    padding: 0 14px 14px;
    font-size: 0.88rem;
  }

  /* Mobile Floating Bottom Bar */
  .mobile-floating-cta-bar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--color-hairline);
    padding: 10px 16px;
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.08);
    align-items: center;
  }
  .mobile-floating-cta-bar .btn-mobile-quote {
    width: 100%;
    flex: 1;
    background: var(--color-primary);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 12px 20px;
    border-radius: var(--rounded-full);
    text-align: center;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(0, 117, 222, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
  }
}