/* ============================================================
   THERMOCOUPLEGUIDE.COM — Global Stylesheet
   Palette: Titanium & Cerulean
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@300;400;600;700;800&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Variables ── */
:root {
  /* Brand Colors */
  --color-primary:      #181E27;
  --color-primary-mid:  #252F3F;
  --color-accent:       #0077CC;
  --color-accent-light: #33AAFF;
  --color-bg:           #EFF3F8;
  --color-white:        #FFFFFF;
  --color-muted:        #5A6A7E;
  --color-border:       #DDE4ED;
  --color-alt-bg:       #F7F9FC;
  --color-success:      #1A7A4A;
  --color-warning:      #B85C00;
  --color-danger:       #B01C1C;

  /* Typography */
  --font-heading: 'Barlow Condensed', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* Spacing */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  2rem;
  --space-xl:  4rem;
  --space-2xl: 8rem;

  /* Layout */
  --max-width:     1200px;
  --radius:        4px;
  --radius-md:     8px;
  --radius-lg:     12px;
  --transition:    0.2s ease;
  --nav-height:    72px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-primary);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent-light); }
ul { list-style: none; }

/* ── Skip Link ── */
.skip-link {
  position: absolute;
  top: -999px;
  left: 0;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 0.5rem 1rem;
  z-index: 9999;
  font-size: 14px;
}
.skip-link:focus { top: 0; }

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}
@media (min-width: 768px) { .container { padding: 0 var(--space-lg); } }

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-primary);
  border-bottom: 2px solid var(--color-accent);
  height: var(--nav-height);
}

.nav-primary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}
@media (min-width: 768px) { .nav-primary { padding: 0 var(--space-lg); } }

.nav-logo img {
  height: 44px;
  width: auto;
}

.nav-links {
  display: none;
  flex-direction: column;
  position: absolute;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--color-primary);
  border-bottom: 2px solid var(--color-accent);
  padding: var(--space-md) 0;
  z-index: 99;
}
.nav-links.open { display: flex; }

@media (min-width: 1024px) {
  .nav-links {
    display: flex;
    flex-direction: row;
    position: static;
    border: none;
    padding: 0;
    gap: 0;
    align-items: center;
  }
}

.nav-links > li { position: relative; }

.nav-links > li > a {
  display: block;
  padding: 0.75rem 1.25rem;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-bg);
  transition: color var(--transition), background var(--transition);
}
.nav-links > li > a:hover,
.nav-links > li > a.active {
  color: var(--color-accent-light);
}
@media (min-width: 1024px) {
  .nav-links > li > a:hover,
  .nav-links > li > a.active {
    background: rgba(0,119,204,0.15);
    border-radius: var(--radius);
  }
}

/* Dropdown */
.nav-links .dropdown { position: relative; }
.nav-links .dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--color-primary-mid);
  border: 1px solid var(--color-accent);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  z-index: 200;
  padding: var(--space-sm) 0;
}
.nav-links .dropdown:hover .dropdown-menu,
.nav-links .dropdown:focus-within .dropdown-menu { display: block; }
.nav-links .dropdown-menu li a {
  display: block;
  padding: 0.5rem 1.25rem;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-bg);
  letter-spacing: 0;
  text-transform: none;
}
.nav-links .dropdown-menu li a:hover { color: var(--color-accent-light); background: rgba(255,255,255,0.05); }

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-bg);
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-bg);
  border-radius: 2px;
  transition: var(--transition);
}
@media (min-width: 1024px) { .nav-toggle { display: none; } }

/* ── Quote Cart Badge ── */
.nav-quote-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--color-accent);
  color: var(--color-white) !important;
  padding: 0.5rem 1rem !important;
  border-radius: var(--radius) !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  letter-spacing: 0.5px !important;
  margin-left: var(--space-sm);
}
.nav-quote-btn:hover { background: var(--color-accent-light) !important; color: var(--color-primary) !important; }
.quote-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-white);
  color: var(--color-accent);
  font-size: 11px;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  line-height: 1;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.15;
  font-weight: 700;
  color: var(--color-primary);
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); letter-spacing: -0.5px; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; text-transform: uppercase; letter-spacing: 1px; }
h6 { font-size: 0.875rem; text-transform: uppercase; letter-spacing: 1.5px; color: var(--color-muted); }

p { max-width: 72ch; margin-bottom: var(--space-md); }
p:last-child { margin-bottom: 0; }
.lead { font-size: 1.125rem; color: var(--color-muted); line-height: 1.8; }
.caption { font-size: 0.8125rem; color: var(--color-muted); }
.mono { font-family: var(--font-mono); font-size: 0.875rem; }
code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-bg);
  padding: 2px 6px;
  border-radius: var(--radius);
  color: var(--color-accent);
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  padding: var(--space-xl) 0;
}
.section-alt {
  padding: var(--space-xl) 0;
  background: var(--color-alt-bg);
}
.section-dark {
  padding: var(--space-xl) 0;
  background: var(--color-primary);
  color: var(--color-bg);
}
.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 { color: var(--color-white); }
.section-dark p, .section-dark .lead { color: var(--color-bg); }
.section-dark .section-label { color: var(--color-accent-light); }

.section-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}
.section-header {
  margin-bottom: var(--space-lg);
}
.section-header h2 { margin-bottom: var(--space-sm); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-2xl) 0 var(--space-xl);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 59px,
    rgba(0,119,204,0.06) 59px,
    rgba(0,119,204,0.06) 60px
  );
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; max-width: 760px; }
.hero h1 { color: var(--color-white); margin-bottom: var(--space-md); }
.hero h1 span { color: var(--color-accent-light); }
.hero .lead { color: var(--color-bg); margin-bottom: var(--space-lg); }
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

/* Type Hero (individual type pages) */
.type-hero {
  background: var(--color-primary);
  padding: var(--space-xl) 0;
  border-bottom: 3px solid var(--color-accent);
}
.type-hero-inner {
  display: grid;
  gap: var(--space-lg);
}
@media (min-width: 768px) {
  .type-hero-inner { grid-template-columns: 1fr 1fr; align-items: center; }
}
.type-designation {
  font-family: var(--font-heading);
  font-size: clamp(4rem, 10vw, 7rem);
  font-weight: 800;
  color: var(--color-accent-light);
  line-height: 1;
  letter-spacing: -2px;
}
.type-hero h1 { color: var(--color-white); }
.type-hero .lead { color: var(--color-bg); }
.type-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.type-meta-item label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 2px;
}
.type-meta-item span {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-white);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn:focus-visible { outline: 3px solid var(--color-accent-light); outline-offset: 2px; }

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

.btn-secondary {
  background: transparent;
  color: var(--color-accent-light);
  border-color: var(--color-accent-light);
}
.btn-secondary:hover {
  background: var(--color-accent-light);
  color: var(--color-primary);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.btn-outline:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn-dark {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}
.btn-dark:hover {
  background: var(--color-primary-mid);
  border-color: var(--color-primary-mid);
}

.btn-sm { padding: 0.5rem 1rem; font-size: 13px; }
.btn-lg { padding: 1rem 2rem; font-size: 17px; }
.btn-full { width: 100%; justify-content: center; }

/* Quote Button */
.btn-quote {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}
.btn-quote:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent-light);
  color: var(--color-primary);
}

/* ============================================================
   BADGES
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border-radius: 20px;
  white-space: nowrap;
}
.badge-type {
  background: rgba(0,119,204,0.12);
  color: #005AA0;
  border: 1px solid rgba(0,119,204,0.25);
}
.badge-astm {
  background: rgba(255,255,255,0.1);
  color: var(--color-bg);
  border: 1px solid rgba(255,255,255,0.25);
}
/* Light context override (inside white/alt-bg sections) */
.section .badge-astm,
.section-alt .badge-astm {
  background: rgba(24,30,39,0.07);
  color: var(--color-primary-mid);
  border: 1px solid var(--color-border);
}
.badge-success {
  background: rgba(26,122,74,0.1);
  color: var(--color-success);
  border: 1px solid rgba(26,122,74,0.2);
}
.badge-warning {
  background: rgba(184,92,0,0.1);
  color: var(--color-warning);
  border: 1px solid rgba(184,92,0,0.2);
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  box-shadow: 0 8px 32px rgba(24,30,39,0.12);
  transform: translateY(-2px);
}
.card-header {
  padding: var(--space-md) var(--space-md) 0;
}
.card-body { padding: var(--space-md); }
.card-footer {
  padding: 0 var(--space-md) var(--space-md);
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* Type Card */
.type-card {
  display: block;
  text-decoration: none;
  color: inherit;
  border-left: 4px solid var(--color-accent);
}
.type-card:hover { color: inherit; }
.type-card-letter {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-sm);
}
.type-card h3 { font-size: 1.1rem; margin-bottom: var(--space-xs); }
.type-card .temp-range {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 500;
}

/* Product Card */
.product-card { cursor: pointer; }
.product-card-img {
  background: var(--color-bg);
  padding: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  border-bottom: 1px solid var(--color-border);
}
.product-card-img svg, .product-card-img img { max-height: 120px; }
.product-card h3 { font-size: 1rem; margin-bottom: var(--space-xs); }
.product-card .part-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-muted);
  margin-bottom: var(--space-sm);
}
.product-card .product-specs {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: var(--space-md);
}
.product-card .spec-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  border-bottom: 1px solid var(--color-border);
  padding: 4px 0;
}
.product-card .spec-row:last-child { border-bottom: none; }
.product-card .spec-label { color: var(--color-muted); }
.product-card .spec-value { font-weight: 600; color: var(--color-primary); }

/* ============================================================
   GRIDS
   ============================================================ */
.grid-2 {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}
.grid-3 {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}
.grid-4 {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr 1fr;
}
@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Product grid — 3 col desktop */
.products-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}
@media (min-width: 600px) { .products-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .products-grid { grid-template-columns: repeat(3, 1fr); } }

/* ============================================================
   TABLES
   ============================================================ */
.table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.table th {
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 0.75rem 1rem;
  text-align: left;
  white-space: nowrap;
}
.table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}
.table-striped tr:nth-child(even) td { background: var(--color-alt-bg); }
.table tr:hover td { background: rgba(0,119,204,0.04); }
.table .mono { color: var(--color-accent); }

/* EMF / Spec Tables */
.table-spec th { background: var(--color-primary-mid); }
.table-spec td { font-family: var(--font-mono); font-size: 13px; }

/* ============================================================
   FORMS
   ============================================================ */
.form-group { margin-bottom: var(--space-md); }
.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-primary-mid);
  margin-bottom: 6px;
}
.form-control {
  display: block;
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-primary);
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
}
.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0,119,204,0.15);
}
textarea.form-control { resize: vertical; min-height: 120px; }
select.form-control { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235A6A7E' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.875rem center; padding-right: 2.5rem; }
.form-hint { font-size: 12px; color: var(--color-muted); margin-top: 4px; }
.form-row {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}
@media (min-width: 600px) { .form-row { grid-template-columns: 1fr 1fr; } }

/* ============================================================
   SPEC BOXES
   ============================================================ */
.spec-box {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
}
.spec-box h4 {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-sm);
}
.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm) var(--space-lg);
}
@media (min-width: 768px) { .spec-grid { grid-template-columns: repeat(4, 1fr); } }
.spec-item label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 2px;
}
.spec-item span {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
}
.spec-item .unit {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-muted);
  margin-left: 2px;
}

/* ============================================================
   ASTM REFERENCE BLOCK
   ============================================================ */
.astm-block {
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.astm-block .astm-icon {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent-light);
  white-space: nowrap;
}
.astm-block p { color: var(--color-bg); margin: 0; max-width: none; font-size: 14px; }
.astm-block strong { color: var(--color-white); }

/* ============================================================
   DOWNLOAD / DATASHEET BAR
   ============================================================ */
.download-bar {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.download-bar-info { display: flex; align-items: center; gap: var(--space-md); }
.download-bar .file-icon {
  width: 40px;
  height: 40px;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
  flex-shrink: 0;
}
.download-bar .file-name { font-weight: 600; font-size: 15px; }
.download-bar .file-meta { font-size: 13px; color: var(--color-muted); }

/* Print styles for datasheet pages */
@media print {
  .site-header, .site-footer, .nav-toggle, .btn-quote, .download-bar, .breadcrumb { display: none !important; }
  body { font-size: 12pt; }
  .section, .section-alt { padding: 1rem 0; }
  .table { font-size: 10pt; }
  a { color: inherit; }
  h1, h2, h3 { page-break-after: avoid; }
  .table { page-break-inside: avoid; }
}

/* ============================================================
   FAQ ACCORDION
   ============================================================ */
.faq-list { display: flex; flex-direction: column; gap: var(--space-sm); }
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-white);
  border: none;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 600;
  color: var(--color-primary);
  text-align: left;
  gap: var(--space-md);
  transition: background var(--transition);
}
.faq-question:hover { background: var(--color-bg); }
.faq-question[aria-expanded="true"] { background: var(--color-primary); color: var(--color-white); }
.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border: 2px solid currentColor;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  line-height: 1;
  transition: transform var(--transition);
}
.faq-question[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }
.faq-answer {
  display: none;
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--color-border);
  background: var(--color-alt-bg);
}
.faq-answer.open { display: block; }
.faq-answer p { max-width: none; }

/* ============================================================
   QUOTE CART (Sticky panel)
   ============================================================ */
.quote-cart-panel {
  position: fixed;
  bottom: var(--space-md);
  right: var(--space-md);
  z-index: 500;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-accent);
  padding: var(--space-md);
  width: 320px;
  max-height: 70vh;
  overflow-y: auto;
  display: none;
  box-shadow: 0 8px 40px rgba(0,0,0,0.3);
}
.quote-cart-panel.open { display: block; }
.quote-cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.quote-cart-header h3 { color: var(--color-white); font-size: 1rem; margin: 0; }
.quote-cart-close {
  background: none;
  border: none;
  color: var(--color-muted);
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
  padding: 0;
}
.quote-cart-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  font-size: 13px;
  gap: var(--space-sm);
}
.quote-cart-item-name { color: var(--color-bg); flex: 1; }
.quote-cart-item-part { color: var(--color-muted); font-family: var(--font-mono); font-size: 11px; }
.quote-cart-remove { background: none; border: none; color: var(--color-muted); cursor: pointer; font-size: 16px; padding: 0; flex-shrink: 0; }
.quote-cart-remove:hover { color: var(--color-accent-light); }
.quote-cart-empty { color: var(--color-muted); font-size: 13px; text-align: center; padding: var(--space-md) 0; }

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: var(--space-md) 0;
  font-size: 13px;
  color: var(--color-muted);
}
.breadcrumb a { color: var(--color-muted); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb-sep { color: var(--color-border); }
.breadcrumb .current { color: var(--color-primary); font-weight: 500; }

/* ============================================================
   COLOR BAND (atmosphere compatibility)
   ============================================================ */
.atm-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}
@media (min-width: 768px) { .atm-grid { grid-template-columns: repeat(4, 1fr); } }
.atm-item {
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-align: center;
  font-size: 13px;
  font-weight: 600;
}
.atm-yes { background: rgba(26,122,74,0.1); color: var(--color-success); border: 1px solid rgba(26,122,74,0.2); }
.atm-no  { background: rgba(176,28,28,0.08); color: var(--color-danger); border: 1px solid rgba(176,28,28,0.15); }
.atm-lim { background: rgba(184,92,0,0.08); color: var(--color-warning); border: 1px solid rgba(184,92,0,0.15); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-primary);
  color: var(--color-bg);
  padding: var(--space-xl) 0 var(--space-lg);
  border-top: 3px solid var(--color-accent);
}
.footer-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-lg);
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }

.footer-brand img { height: 40px; width: auto; margin-bottom: var(--space-md); }
.footer-brand p { font-size: 13px; color: var(--color-muted); max-width: 280px; }

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--space-md);
}
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-sm); }
.footer-col ul li a {
  font-size: 13px;
  color: var(--color-muted);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--color-white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.footer-bottom p { font-size: 12px; color: var(--color-muted); max-width: none; margin: 0; }
.footer-bottom a { color: var(--color-muted); }
.footer-bottom a:hover { color: var(--color-accent-light); }

/* ============================================================
   UTILITIES
   ============================================================ */
.text-center { text-align: center; }
.text-accent { color: var(--color-accent); }
.text-muted  { color: var(--color-muted); }
.text-white  { color: var(--color-white); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.items-center { align-items: center; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }