/* ============================================================
   ASTM Abrasive Testing Hub — Shared Stylesheet
   Color Palette: Industrial Blue & Steel
   ============================================================ */

:root {
  --navy:       #0d1b2a;
  --navy-mid:   #1b2d45;
  --navy-light: #243d5c;
  --steel:      #4a6080;
  --steel-light:#7a94ae;
  --accent:     #2e7fcf;
  --accent-dark:#1a5fa0;
  --accent-glow:#3d9de8;
  --white:      #ffffff;
  --off-white:  #f4f7fb;
  --gray-100:   #e8edf3;
  --gray-200:   #c8d3de;
  --gray-400:   #8a9ab0;
  --gray-600:   #566474;
  --text-main:  #1a2533;
  --text-light: #4a5a6b;
  --warning:    #e07b1a;
  --success:    #1e8a4a;
  --danger:     #c0392b;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  14px;

  --shadow-sm:  0 1px 4px rgba(13,27,42,0.10);
  --shadow-md:  0 4px 16px rgba(13,27,42,0.14);
  --shadow-lg:  0 8px 32px rgba(13,27,42,0.18);

  --font-sans: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'Consolas', 'Courier New', monospace;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--text-main);
  background: var(--white);
  line-height: 1.65;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dark); text-decoration: underline; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ============================================================
   TOP BAR
   ============================================================ */
.topbar {
  background: var(--navy);
  color: var(--gray-200);
  font-size: 0.78rem;
  padding: 6px 0;
  border-bottom: 1px solid var(--navy-light);
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.topbar a { color: var(--gray-200); }
.topbar a:hover { color: var(--white); }

/* ============================================================
   HEADER / NAVBAR
   ============================================================ */
.site-header {
  background: var(--navy-mid);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0;
  height: 68px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}
.site-logo:hover { color: var(--accent-glow); text-decoration: none; }
.logo-icon {
  width: 42px; height: 42px;
  background: var(--accent);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: -1px;
  flex-shrink: 0;
}
.logo-text small {
  display: block;
  font-size: 0.68rem;
  font-weight: 400;
  color: var(--steel-light);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.main-nav { display: flex; align-items: center; gap: 2px; }
.main-nav > li { position: relative; }
.main-nav > li > a {
  display: block;
  padding: 22px 13px;
  color: var(--gray-200);
  font-size: 0.87rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: color 0.2s;
}
.main-nav > li > a:hover,
.main-nav > li > a.active {
  color: var(--accent-glow);
  text-decoration: none;
}
.main-nav > li > a.active::after {
  content: '';
  display: block;
  height: 2px;
  background: var(--accent);
  position: absolute;
  bottom: 0; left: 13px; right: 13px;
  border-radius: 2px;
}

/* Dropdown */
.nav-dropdown {
  position: absolute;
  top: 100%; left: 0;
  background: var(--navy);
  min-width: 230px;
  border: 1px solid var(--navy-light);
  border-top: 2px solid var(--accent);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.18s, transform 0.18s, visibility 0.18s;
  z-index: 200;
}
.main-nav > li:hover .nav-dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.nav-dropdown li a {
  display: block;
  padding: 10px 18px;
  color: var(--gray-200);
  font-size: 0.84rem;
  border-bottom: 1px solid var(--navy-light);
  transition: background 0.15s, color 0.15s;
}
.nav-dropdown li:last-child a { border-bottom: none; }
.nav-dropdown li a:hover {
  background: var(--navy-light);
  color: var(--accent-glow);
  text-decoration: none;
}

.nav-cta {
  background: var(--accent);
  color: var(--white) !important;
  padding: 9px 18px !important;
  border-radius: var(--radius-sm);
  font-weight: 600 !important;
  margin-left: 8px;
  transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--accent-dark) !important; color: #fff !important; text-decoration: none !important; }

/* ============================================================
   CONTAINER
   ============================================================ */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}
.container-wide {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ============================================================
   SECTION SPACING
   ============================================================ */
.section { padding: 72px 0; }
.section-sm { padding: 48px 0; }
.section-lg { padding: 96px 0; }

.section-header { margin-bottom: 48px; }
.section-header.center { text-align: center; }
.section-label {
  display: inline-block;
  background: rgba(46,127,207,0.12);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
  border: 1px solid rgba(46,127,207,0.25);
}
.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.25;
  margin-bottom: 14px;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 680px;
  line-height: 1.7;
}
.section-header.center .section-subtitle { margin: 0 auto; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 55%, var(--navy-light) 100%);
  color: var(--white);
  padding: 96px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: 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='%232e7fcf' 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");
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 64px;
  align-items: center;
}
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(46,127,207,0.2);
  border: 1px solid rgba(46,127,207,0.4);
  color: var(--accent-glow);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.hero-label::before { content: '●'; font-size: 0.5rem; color: var(--accent-glow); }
.hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 22px;
  letter-spacing: -0.02em;
}
.hero-title span { color: var(--accent-glow); }
.hero-desc {
  font-size: 1.1rem;
  color: var(--gray-200);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 560px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  letter-spacing: 0.01em;
}
.btn-primary {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(46,127,207,0.35);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.45);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--white);
  color: var(--white);
  text-decoration: none;
}
.btn-outline-dark {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn-outline-dark:hover {
  background: var(--accent);
  color: var(--white);
  text-decoration: none;
}
.btn-sm { padding: 8px 18px; font-size: 0.82rem; }
.btn-lg { padding: 15px 34px; font-size: 1rem; }

/* ============================================================
   STATS BAR
   ============================================================ */
.stats-bar {
  background: var(--navy-light);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 24px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat-item {
  text-align: center;
  padding: 12px 16px;
  border-right: 1px solid rgba(255,255,255,0.1);
}
.stat-item:last-child { border-right: none; }
.stat-value {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent-glow);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--gray-200);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.card-body { padding: 24px; }
.card-sm .card-body { padding: 18px; }

/* Standard card */
.standard-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--accent);
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, transform 0.2s;
}
.standard-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.standard-id {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.standard-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
  line-height: 1.4;
}
.standard-desc {
  font-size: 0.84rem;
  color: var(--text-light);
  line-height: 1.6;
}
.standard-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }

/* Category card */
.category-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.22s;
}
.category-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.category-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.5rem;
}
.category-name {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.category-desc {
  font-size: 0.8rem;
  color: var(--text-light);
  line-height: 1.55;
}

/* ============================================================
   BADGES / TAGS
   ============================================================ */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge-blue { background: rgba(46,127,207,0.12); color: var(--accent-dark); border: 1px solid rgba(46,127,207,0.25); }
.badge-steel { background: var(--gray-100); color: var(--steel); border: 1px solid var(--gray-200); }
.badge-warning { background: rgba(224,123,26,0.12); color: var(--warning); border: 1px solid rgba(224,123,26,0.25); }
.badge-success { background: rgba(30,138,74,0.10); color: var(--success); border: 1px solid rgba(30,138,74,0.22); }

/* ============================================================
   TABLES
   ============================================================ */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.data-table thead th {
  background: var(--navy);
  color: var(--gray-200);
  padding: 12px 16px;
  text-align: left;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 2px solid var(--accent);
}
.data-table tbody tr {
  border-bottom: 1px solid var(--gray-100);
  transition: background 0.15s;
}
.data-table tbody tr:hover { background: var(--off-white); }
.data-table tbody td {
  padding: 11px 16px;
  color: var(--text-main);
  vertical-align: top;
}
.table-wrapper {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
}

/* ============================================================
   PROCEDURE BLOCKS
   ============================================================ */
.procedure-step {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--gray-100);
}
.procedure-step:last-child { border-bottom: none; }
.step-number {
  width: 36px; height: 36px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}
.step-content h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}
.step-content p { font-size: 0.88rem; color: var(--text-light); line-height: 1.65; }

/* ============================================================
   CALLOUT / ALERT BOXES
   ============================================================ */
.callout {
  border-radius: var(--radius-md);
  padding: 18px 22px;
  margin: 20px 0;
  border-left: 4px solid;
  font-size: 0.88rem;
  line-height: 1.65;
}
.callout-info { background: rgba(46,127,207,0.07); border-color: var(--accent); color: var(--navy); }
.callout-warning { background: rgba(224,123,26,0.07); border-color: var(--warning); color: #6b3800; }
.callout-success { background: rgba(30,138,74,0.07); border-color: var(--success); color: #0d4025; }
.callout-danger { background: rgba(192,57,43,0.07); border-color: var(--danger); color: #6b1a14; }
.callout strong { display: block; margin-bottom: 4px; font-size: 0.82rem; letter-spacing: 0.05em; text-transform: uppercase; }

/* ============================================================
   CODE / SPEC BLOCK
   ============================================================ */
.spec-block {
  background: var(--navy);
  color: var(--gray-100);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.7;
  overflow-x: auto;
}
.spec-block .spec-label {
  color: var(--accent-glow);
  font-weight: 700;
  margin-right: 8px;
}

/* ============================================================
   ACCORDION
   ============================================================ */
.accordion-item {
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  margin-bottom: 8px;
  overflow: hidden;
}
.accordion-header {
  background: var(--off-white);
  padding: 16px 20px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--navy);
  transition: background 0.15s;
}
.accordion-header:hover { background: var(--gray-100); }
.accordion-header.open { background: var(--navy); color: var(--white); }
.accordion-icon { transition: transform 0.2s; font-style: normal; font-size: 1.1rem; }
.accordion-header.open .accordion-icon { transform: rotate(45deg); }
.accordion-body {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.7;
  background: #fff;
}
.accordion-body.open { max-height: 600px; padding: 18px 20px; }

/* ============================================================
   SIDEBAR LAYOUT
   ============================================================ */
.page-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  align-items: start;
  padding: 48px 0;
}
.sidebar {
  position: sticky;
  top: 88px;
}
.sidebar-nav { border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--gray-100); }
.sidebar-nav-title {
  background: var(--navy);
  color: var(--white);
  padding: 12px 18px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.sidebar-nav a {
  display: block;
  padding: 10px 18px;
  font-size: 0.86rem;
  color: var(--text-main);
  border-bottom: 1px solid var(--gray-100);
  transition: all 0.15s;
}
.sidebar-nav a:hover, .sidebar-nav a.active {
  background: var(--off-white);
  color: var(--accent);
  padding-left: 24px;
  text-decoration: none;
}
.sidebar-nav a.active { border-left: 3px solid var(--accent); font-weight: 600; }

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--gray-400);
  padding: 14px 0;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--gray-400); }
.breadcrumb a:hover { color: var(--accent); text-decoration: none; }
.breadcrumb-sep { color: var(--gray-200); }
.breadcrumb-current { color: var(--text-main); font-weight: 500; }

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  color: var(--white);
  padding: 56px 0 48px;
  border-bottom: 3px solid var(--accent);
}
.page-hero .breadcrumb a { color: rgba(255,255,255,0.55); }
.page-hero .breadcrumb { color: rgba(255,255,255,0.55); }
.page-hero .breadcrumb-current { color: var(--white); }
.page-hero .breadcrumb-sep { color: rgba(255,255,255,0.3); }
.page-hero-title {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}
.page-hero-desc {
  font-size: 1rem;
  color: var(--gray-200);
  max-width: 680px;
  line-height: 1.7;
}

/* ============================================================
   SEARCH BOX
   ============================================================ */
.search-box {
  display: flex;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-sm);
  overflow: hidden;
  max-width: 520px;
  margin-top: 24px;
}
.search-box input {
  flex: 1;
  background: transparent;
  border: none;
  padding: 12px 18px;
  color: var(--white);
  font-size: 0.92rem;
  outline: none;
}
.search-box input::placeholder { color: rgba(255,255,255,0.45); }
.search-box button {
  background: var(--accent);
  border: none;
  padding: 12px 22px;
  color: var(--white);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: background 0.2s;
}
.search-box button:hover { background: var(--accent-dark); }

/* ============================================================
   GRID LAYOUTS
   ============================================================ */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }

/* ============================================================
   INDUSTRY / APP SECTIONS
   ============================================================ */
.industry-card {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  border: 1px solid var(--navy-light);
  transition: border-color 0.2s;
}
.industry-card:hover { border-color: var(--accent); }
.industry-icon {
  font-size: 1.8rem;
  line-height: 1;
  margin-top: 2px;
  flex-shrink: 0;
}
.industry-name { font-size: 0.9rem; font-weight: 700; margin-bottom: 4px; }
.industry-desc { font-size: 0.8rem; color: var(--steel-light); line-height: 1.55; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--navy);
  color: var(--gray-200);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 280px 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--navy-light);
}
.footer-brand .site-logo { margin-bottom: 16px; }
.footer-brand p { font-size: 0.84rem; line-height: 1.7; color: var(--steel-light); }
.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 0.84rem; color: var(--steel-light); transition: color 0.15s; }
.footer-col ul li a:hover { color: var(--accent-glow); text-decoration: none; }
.footer-bottom {
  padding: 18px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--gray-400);
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom a { color: var(--gray-400); }
.footer-bottom a:hover { color: var(--accent-glow); }

/* ============================================================
   BG UTILITIES
   ============================================================ */
.bg-navy { background: var(--navy); }
.bg-navy-mid { background: var(--navy-mid); }
.bg-off-white { background: var(--off-white); }
.bg-white { background: var(--white); }

/* ============================================================
   TYPOGRAPHY UTILITIES
   ============================================================ */
.text-accent { color: var(--accent); }
.text-navy { color: var(--navy); }
.text-light { color: var(--text-light); }
.text-white { color: var(--white); }
.text-small { font-size: 0.84rem; }
.text-xs { font-size: 0.76rem; }
.font-mono { font-family: var(--font-mono); }
h1,h2,h3,h4,h5,h6 { font-weight: 700; line-height: 1.3; color: var(--navy); }
h1 { font-size: 2.4rem; }
h2 { font-size: 1.85rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.05rem; }
p { margin-bottom: 16px; }
p:last-child { margin-bottom: 0; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-panel { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
  .page-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
}
@media (max-width: 768px) {
  .main-nav { display: none; }
  .hero { padding: 60px 0 48px; }
  .hero-title { font-size: 2rem; }
  .section { padding: 48px 0; }
  .section-title { font-size: 1.6rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   HERO PANEL (decorative right side)
   ============================================================ */
.hero-panel {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.hero-panel-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-glow);
  margin-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding-bottom: 12px;
}
.hero-standard-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 0.84rem;
}
.hero-standard-row:last-child { border-bottom: none; }
.hero-std-id { font-weight: 700; color: var(--accent-glow); font-family: var(--font-mono); }
.hero-std-name { color: var(--gray-200); font-size: 0.8rem; flex: 1; margin-left: 14px; }
.hero-std-badge { flex-shrink: 0; margin-left: 10px; }

/* ============================================================
   MISC
   ============================================================ */
.divider { border: none; border-top: 1px solid var(--gray-100); margin: 32px 0; }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; } .mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.gap-8 { gap: 8px; } .gap-16 { gap: 16px; } .gap-24 { gap: 24px; }
.w-full { width: 100%; }