/* ========== RESET & BASE ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; color: #222; background: #fff; line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ========== VARIABLES ========== */
:root {
  --navy: #0a2443;
  --navy-deep: #061628;
  --blue: #2196f3;
  --blue-hover: #1976d2;
  --text: #222;
  --text-secondary: #666;
  --gray-bg: #f3f6fa;
  --white: #ffffff;
  --border: #e2e8f0;
  --card-shadow: 0 2px 12px rgba(0,0,0,.08);
  --radius: 8px;
  --radius-lg: 12px;
  --max-w: 1280px;
}

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ========== HEADER ========== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: var(--white);
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
  transition: box-shadow .3s;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; max-width: var(--max-w); margin: 0 auto; padding: 0 100px 0 24px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; color: var(--navy); }
.logo-icon {
  width: 38px; height: 38px; background: var(--navy); border-radius: 8px;
  display: flex; align-items: center; justify-content: center; color: #fff; font-size: .7rem; font-weight: 800;
}
.logo-icon svg { width: 26px; height: 26px; }
.nav-links { display: flex; gap: 18px; margin-left: auto; }
.nav-links a {
  padding: 8px 16px; border-radius: 6px;
  font-size: 1.25rem; font-weight: 500;
  color: var(--text-secondary); transition: all .2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--navy); background: var(--gray-bg); }
.nav-right { display: flex; align-items: center; gap: 12px; }
.inquiry-btn {
  display: flex; align-items: center; gap: 6px; padding: 8px 18px;
  background: var(--blue); color: #fff; border-radius: 8px;
  font-size: .875rem; font-weight: 600; cursor: pointer; border: none; position: relative;
  transition: background .2s;
}
.inquiry-btn:hover { background: var(--blue-hover); }
.inquiry-btn .badge {
  position: absolute; top: -6px; right: -6px;
  background: #ef4444; color: #fff; font-size: .7rem; font-weight: 700;
  width: 20px; height: 20px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
}
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger svg { width: 26px; height: 26px; stroke: var(--navy); }

/* ========== HERO ========== */
.hero {
  margin-top: 72px; background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 50%, #0d3b6e 100%);
  padding: 60px 0 80px; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 5 L55 20 L55 45 L30 60 L5 45 L5 20 Z' fill='none' stroke='rgba(255,255,255,.03)' stroke-width='1'/%3E%3C/svg%3E") repeat;
  pointer-events: none;
}
.hero-inner {
  display: grid; grid-template-columns: 1fr 520px; gap: 60px;
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px; position: relative; z-index: 1;
}
.hero-label {
  display: inline-block; font-size: .8rem; font-weight: 600; letter-spacing: 2px; text-transform: uppercase;
  color: var(--blue); margin-bottom: 20px; padding: 6px 14px; border: 1px solid rgba(33,150,243,.3); border-radius: 20px;
}
.hero h1 {
  font-size: 3rem; font-weight: 800; color: #fff; line-height: 1.15; margin-bottom: 20px;
  max-width: 640px;
}
.hero-desc {
  font-size: 1.05rem; color: rgba(255,255,255,.7); max-width: 580px; margin-bottom: 28px; line-height: 1.7;
}
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.hero-tags span {
  background: rgba(255,255,255,.08); color: rgba(255,255,255,.75); padding: 8px 16px;
  border-radius: 20px; font-size: .82rem; font-weight: 500;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; background: var(--blue); color: #fff;
  border: none; border-radius: 8px; font-size: .95rem; font-weight: 600;
  cursor: pointer; transition: all .2s;
}
.btn-primary:hover { background: var(--blue-hover); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(33,150,243,.35); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; background: transparent; color: #fff;
  border: 2px solid rgba(255,255,255,.35); border-radius: 8px; font-size: .95rem; font-weight: 600;
  cursor: pointer; transition: all .2s;
}
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.06); }

/* Hero right – product showcase panel */
.hero-right {
  position: relative;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex; flex-direction: column; gap: 12px;
}
.hero-product-img {
  width: 100%; border-radius: var(--radius); overflow: hidden; position: relative;
  aspect-ratio: 16/10;
}
.hero-product-img img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform .4s ease;
}
.hero-product-img:hover img { transform: scale(1.06); }
.hero-product-img::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,36,67,.05) 0%, rgba(10,36,67,.45) 100%);
  pointer-events: none; z-index: 1;
}

/* 3-column attribute tags */
.hero-info-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.hero-info-card {
  background: rgba(255,255,255,.07); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 8px; padding: 14px 10px; text-align: center;
}
.hero-info-card .label { font-size: .65rem; text-transform: uppercase; letter-spacing: 1px; color: rgba(255,255,255,.5); margin-bottom: 6px; }
.hero-info-card .value { font-size: .88rem; font-weight: 600; color: #fff; }

/* 2x2 data grid */
.hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.hero-stat-card {
  background: rgba(255,255,255,.07); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 8px; padding: 18px 14px; text-align: center;
}
.hero-stat-card .num { font-size: 1.6rem; font-weight: 800; color: var(--blue); line-height: 1.2; }
.hero-stat-card .desc { font-size: .72rem; color: rgba(255,255,255,.6); margin-top: 4px; line-height: 1.4; }
.hero-stat-card .sub { font-size: .65rem; color: rgba(255,255,255,.4); margin-top: 2px; }

/* ========== TRUST BAR ========== */
.trust-bar {
  background: var(--gray-bg); border-bottom: 1px solid var(--border); padding: 28px 0;
}
.trust-bar-inner {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px; text-align: center;
}
.trust-item .trust-label { font-size: .72rem; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-secondary); font-weight: 600; }
.trust-item .trust-value { font-size: 1.15rem; font-weight: 700; color: var(--navy); margin-top: 4px; }

/* ========== FEATURES SECTION ========== */
.features { padding: 80px 0; background: var(--white); }
.section-header { text-align: center; margin-bottom: 48px; }
.section-label {
  display: inline-block; font-size: .75rem; font-weight: 600; letter-spacing: 2px; text-transform: uppercase;
  color: var(--blue); margin-bottom: 12px;
}
.section-title { font-size: 2rem; font-weight: 800; color: var(--navy); line-height: 1.3; max-width: 100%px; margin: 0 auto; }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 32px 24px; transition: all .3s; cursor: default;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow); border-color: transparent; }
.feature-icon {
  width: 52px; height: 52px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.feature-icon svg { width: 26px; height: 26px; }
.icon-blue { background: rgba(33,150,243,.1); color: var(--blue); }
.icon-navy { background: rgba(10,36,67,.08); color: var(--navy); }
.icon-teal { background: rgba(0,201,167,.1); color: #00c9a7; }
.icon-purple { background: rgba(139,92,246,.1); color: #8b5cf6; }
.feature-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--navy); margin-bottom: 10px; }
.feature-card p { font-size: .9rem; color: var(--text-secondary); line-height: 1.6; }

/* ========== PRODUCTS ========== */
.products { padding: 80px 0; background: var(--gray-bg); }
.products-header {
  display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 40px;
  flex-wrap: wrap; gap: 12px;
}
.products-header .browse-all {
  font-size: .9rem; font-weight: 600; color: var(--blue); display: flex; align-items: center; gap: 4px;
  transition: gap .2s;
}
.products-header .browse-all:hover { gap: 8px; }
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card {
  background: #fff; border-radius: 12px; overflow: hidden;
  border: 1px solid var(--border); transition: all .3s;
  box-shadow: 0 1px 3px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.04);
}
.product-card:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(0,0,0,.1); border-color: transparent; }
.product-img {
  position: relative; aspect-ratio: 4/3; overflow: hidden;
  background: #f1f5f9;
}
.product-img img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform .4s ease;
}
.product-img:hover img { transform: scale(1.06); }
/* White overlay label on image */
.product-img .img-overlay {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); z-index: 2;
  background: rgba(255,255,255,.92); padding: 10px 16px; border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,.08); text-align: left; pointer-events: none;
}
.product-img .img-overlay .ov-code { font-size: .82rem; font-weight: 700; color: var(--navy); }
.product-img .img-overlay .ov-spec { font-size: .72rem; color: var(--text-secondary); margin-top: 2px; line-height: 1.4; }
.product-body { padding: 16px 20px 20px; }
/* Badges row below image */
.product-badges {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px;
}
.code-badge {
  display: inline-flex; align-items: center; padding: 5px 12px;
  background: #eff6ff; color: #2563eb; font-size: .82rem; font-weight: 600;
  border-radius: 9999px; line-height: 1;
}
.coa-badge {
  display: inline-flex; align-items: center; gap: 5px; padding: 5px 12px;
  background: #ecfdf5; color: #059669; font-size: .78rem; font-weight: 600;
  border-radius: 9999px; line-height: 1;
}
.coa-badge::before {
  content: "✓"; width: 16px; height: 16px; display: flex; align-items: center; justify-content: center;
  background: #059669; color: #fff; border-radius: 50%; font-size: .55rem; font-weight: 700;
}
.product-body h3 { font-size: 1.15rem; font-weight: 700; color: #0f172a; margin-bottom: 4px; }
.product-body .product-desc { font-size: .85rem; color: #64748b; margin-bottom: 12px; line-height: 1.5; }
/* Spec table - row style with dividers */
.product-specs { display: flex; flex-direction: column; margin-bottom: 16px; }
.spec-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 9px 0; border-bottom: 1px solid #e2e8f0;
}
.spec-row:last-child { border-bottom: none; }
.spec-row .spec-label { font-size: .82rem; color: #64748b; font-weight: 400; }
.spec-row .spec-value { font-size: .82rem; font-weight: 600; color: #0f172a; text-align: right; }
/* Action buttons */
.product-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.product-actions .btn-add {
  padding: 11px 14px; background: #2563eb; color: #fff; border: none; border-radius: 8px;
  font-size: .82rem; font-weight: 600; cursor: pointer; transition: background .2s;
  display: flex; align-items: center; justify-content: center; gap: 6px;
}
.product-actions .btn-add:hover { background: #1d4ed8; }
.product-actions .btn-coa {
  padding: 11px 14px; background: #f1f5f9; color: #1e293b; border: none;
  border-radius: 8px; font-size: .82rem; font-weight: 600; cursor: pointer; transition: background .2s;
  display: flex; align-items: center; justify-content: center; gap: 6px;
}
.product-actions .btn-coa:hover { background: #e2e8f0; }

/* ========== CTA SECTION ========== */
.cta-section {
  background: var(--gray-bg);
  padding: 64px 24px;
}
.cta-inner {
  background: #0b2854;
  border-radius: 12px;
  padding: 56px 64px;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 24px;
  max-width: var(--max-w); margin: 0 auto;
  box-shadow: 0 8px 32px rgba(10,36,67,.15);
}
.cta-label { font-size: .8rem; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--blue); margin-bottom: 12px; }
.cta-inner h2 { font-size: 2rem; font-weight: 800; color: #fff; max-width: 560px; line-height: 1.3; }

/* ========== FOOTER ========== */
.footer { background: #071c3d; padding: 40px 0; }
.footer-inner {
  display: flex; align-items: flex-start; justify-content: space-between;
  max-width: var(--max-w); margin: 0 auto; padding: 0 48px;
}
.footer-brand { flex: 0 0 260px; }
.footer-brand h4 { color: #fff; font-weight: 700; font-size: 1.15rem; margin-bottom: 8px; }
.footer-brand p { color: rgba(255,255,255,.7); font-size: .95rem; line-height: 1.6; }
.footer-center { flex: 0 0 auto; padding-top: 2px; }
.footer-links { display: flex; gap: 18px; margin-bottom: 12px; }
.footer-links a { color: #fff; font-size: .95rem; font-weight: 500; transition: color .2s; }
.footer-links a:hover { color: var(--blue); }
.footer-email { color: rgba(255,255,255,.7); font-size: .95rem; margin: 0; }
.footer-disclaimer {
  flex: 0 0 380px;
  font-size: .85rem; color: rgba(255,255,255,.55); line-height: 1.6;
}

/* ========== COA MODAL ========== */
.coa-modal-overlay {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 2000;
  align-items: center; justify-content: center; padding: 24px;
}
.coa-modal-overlay.active { display: flex; }
.coa-modal {
  background: #fff; border-radius: var(--radius-lg); padding: 36px; max-width: 500px; width: 100%;
  position: relative; animation: slideUp .3s ease;
}
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.coa-modal h3 { font-size: 1.3rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.coa-modal p { font-size: .9rem; color: var(--text-secondary); margin-bottom: 24px; }
.coa-modal .form-group { margin-bottom: 16px; }
.coa-modal label { display: block; font-size: .82rem; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.coa-modal input, .coa-modal textarea {
  width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px;
  font-size: .9rem; font-family: inherit; transition: border-color .2s;
}
.coa-modal input:focus, .coa-modal textarea:focus { outline: none; border-color: var(--blue); }
.coa-modal textarea { resize: vertical; min-height: 80px; }
.coa-modal .modal-actions { display: flex; gap: 12px; margin-top: 20px; }
.coa-modal .btn-close {
  position: absolute; top: 16px; right: 16px; background: none; border: none;
  font-size: 1.4rem; cursor: pointer; color: var(--text-secondary); transition: color .2s; line-height: 1;
}
.coa-modal .btn-close:hover { color: var(--text); }

/* ========== TOAST ========== */
.toast {
  position: fixed; bottom: 30px; right: 30px; background: var(--navy); color: #fff;
  padding: 14px 24px; border-radius: 10px; font-size: .9rem; font-weight: 500;
  box-shadow: 0 8px 30px rgba(0,0,0,.2); z-index: 3000;
  transform: translateY(100px); opacity: 0; transition: all .4s ease;
}
.toast.show { transform: translateY(0); opacity: 1; }

/* ========== PAGE BANNER (subpages) ========== */
.page-banner {
  margin-top: 72px;
  background: #0b2854;
  padding: 86px 0;
}
.page-banner-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 48px;
}
.page-banner .banner-label {
  display: inline-block; font-size: .9rem; font-weight: 600; letter-spacing: 2px; text-transform: uppercase;
  color: var(--blue); margin-bottom: 14px;
}
.page-banner h1 {
  font-size: 3.2rem; font-weight: 800; color: #fff; margin-bottom: 14px; line-height: 1.2;
}
.page-banner .banner-desc {
  font-size: 1.15rem; color: rgba(255,255,255,.7); max-width: 640px; line-height: 1.6;
}

/* ========== LIST PAGE ========== */
.list-page { background: var(--gray-bg); padding: 32px 0 64px; }
.list-layout { max-width: var(--max-w); margin: 0 auto; padding: 0 48px; }
.search-bar {
  display: flex; gap: 12px; align-items: center; margin-bottom: 24px;
}
.search-bar input[type="text"] {
  flex: 1; padding: 12px 16px;
  border: 1px solid var(--border); border-radius: 8px; font-size: .9rem; font-family: inherit;
  background: #fff; transition: border-color .2s;
}
.search-bar input[type="text"]:focus { outline: none; border-color: var(--blue); }
.search-bar select {
  padding: 12px 16px; border: 1px solid var(--border); border-radius: 8px;
  font-size: .9rem; font-family: inherit; background: #fff; cursor: pointer; color: var(--text);
}
.search-bar .result-count {
  font-size: .85rem; color: var(--text-secondary); white-space: nowrap; font-weight: 600; margin-left: auto;
}
.list-products-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.list-products-grid .product-card { display: flex; flex-direction: column; }
.list-products-grid .product-body { flex: 1; display: flex; flex-direction: column; }
.list-products-grid .product-actions { margin-top: auto; }

/* Document-style placeholder */
.product-img.img-doc {
  display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 8px;
  background: linear-gradient(135deg, #e8edf5, #d5dce8);
}
.product-img.img-doc .doc-icon {
  width: 56px; height: 56px; background: rgba(10,36,67,.1); border-radius: 8px;
  display: flex; align-items: center; justify-content: center; color: var(--navy);
}
.product-img.img-doc .doc-label { font-size: .72rem; color: var(--text-secondary); font-weight: 500; }
.product-img.img-pending {
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #e8edf5, #d5dce8);
}
.product-img.img-pending .pending-label {
  font-size: .75rem; color: var(--text-secondary); font-weight: 600; letter-spacing: .5px;
}

/* ========== COA PAGE ========== */
.workflow-section { padding: 64px 0; background: #fff; }
.workflow-inner {
  display: grid; grid-template-columns: 1fr 320px; gap: 60px;
  max-width: var(--max-w); margin: 0 auto; padding: 0 48px; align-items: start;
}
.workflow-label {
  display: inline-block; font-size: .85rem; font-weight: 600; letter-spacing: 2px; text-transform: uppercase;
  color: var(--blue); margin-bottom: 12px;
}
.workflow-section h2 { font-size: 2.5rem; font-weight: 800; color: var(--navy); margin-bottom: 14px; line-height: 1.3; }
.workflow-section p { font-size: 1.08rem; color: var(--text-secondary); line-height: 1.7; max-width: 540px; }
.workflow-steps { display: flex; flex-direction: column; gap: 14px; position: relative; }
.workflow-step {
  display: flex; align-items: center; gap: 14px;
  background: #fff; border: 1px solid var(--border); border-radius: 10px;
  padding: 16px 18px; transition: all .2s;
}
.workflow-step:hover { border-color: var(--blue); box-shadow: 0 4px 12px rgba(33,150,243,.1); }
.workflow-step .step-num {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--navy); color: #fff; font-size: .88rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.workflow-step .step-text { font-size: 1rem; font-weight: 600; color: var(--navy); }

.coa-lookup { padding: 64px 0; background: var(--gray-bg); }
.coa-lookup-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 48px; }
.coa-lookup-label {
  display: inline-block; font-size: .85rem; font-weight: 600; letter-spacing: 2px; text-transform: uppercase;
  color: var(--blue); margin-bottom: 12px;
}
.coa-lookup h2 { font-size: 2.1rem; font-weight: 800; color: var(--navy); margin-bottom: 10px; line-height: 1.3; }
.coa-lookup .lookup-desc { font-size: 1.08rem; color: var(--text-secondary); margin-bottom: 28px; line-height: 1.6; }
.coa-search { margin-bottom: 24px; }
.coa-search input {
  width: 100%; max-width: 520px; padding: 12px 18px;
  border: 1px solid var(--border); border-radius: 8px; font-size: 1rem; font-family: inherit;
  background: #fff; transition: border-color .2s;
}
.coa-search input:focus { outline: none; border-color: var(--blue); }

.coa-list { display: flex; flex-direction: column; gap: 8px; }
.coa-list-item {
  display: grid; grid-template-columns: 1fr 220px auto; gap: 20px;
  align-items: center; background: #fff; border: 1px solid var(--border); border-radius: 10px;
  padding: 14px 20px; transition: all .2s;
}
.coa-list-item:hover { border-color: var(--blue); box-shadow: 0 2px 8px rgba(33,150,243,.08); }
.coa-list-item .item-code { font-size: 1.08rem; font-weight: 700; color: var(--navy); }
.coa-list-item .item-name { font-size: .92rem; color: var(--text-secondary); margin-top: 2px; }
.coa-list-item .item-status { font-size: .92rem; color: var(--text-secondary); font-weight: 500; }
.coa-list-item .item-actions { display: flex; gap: 10px; }
.coa-list-item .btn-view {
  padding: 8px 16px; background: #fff; color: var(--navy);
  border: 1px solid var(--border); border-radius: 6px; font-size: .88rem; font-weight: 600;
  cursor: pointer; transition: all .2s;
}
.coa-list-item .btn-view:hover { border-color: var(--blue); color: var(--blue); }
.coa-list-item .btn-request {
  padding: 8px 16px; background: var(--blue); color: #fff;
  border: none; border-radius: 6px; font-size: .88rem; font-weight: 600;
  cursor: pointer; transition: all .2s;
}
.coa-list-item .btn-request:hover { background: var(--blue-hover); }

.coa-features { padding: 64px 0; background: #fff; }
.coa-features-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 48px; }
.coa-features-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.coa-feature-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 28px 20px; transition: all .3s;
}
.coa-feature-card:hover { transform: translateY(-3px); box-shadow: var(--card-shadow); border-color: transparent; }
.coa-feature-card h4 { font-size: 1.08rem; font-weight: 700; color: var(--navy); margin-bottom: 10px; }
.coa-feature-card p { font-size: .92rem; color: var(--text-secondary); line-height: 1.6; }

/* ========== CONTACT PAGE ========== */
.contact-cards { padding: 64px 0; background: var(--gray-bg); }
.contact-cards-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 48px; }
.contact-cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.contact-card {
  background: #fff; border-radius: var(--radius-lg);
  padding: 36px 28px; box-shadow: 0 4px 20px rgba(0,0,0,.06);
  transition: all .3s; display: flex; flex-direction: column;
}
.contact-card:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(0,0,0,.1); }
.contact-card .card-channel {
  font-size: .85rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  margin-bottom: 18px; padding: 6px 14px; border-radius: 20px; display: inline-block; width: fit-content;
}
.card-channel.whatsapp { background: rgba(33,150,243,.12); color: #2563EB; }
.card-channel.telegram { background: rgba(33,150,243,.12); color: #2563EB; }
.card-channel.email { background: rgba(33,150,243,.12); color: #2563EB; }
.contact-card .card-value {
  font-size: 1.2rem; font-weight: 700; color: var(--navy); margin-bottom: 14px; word-break: break-all;
}
.contact-card .card-desc { font-size: .92rem; color: var(--text-secondary); line-height: 1.6; flex: 1; }
.contact-card .card-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .92rem; font-weight: 600; margin-top: 20px;
  transition: gap .2s;
}
.card-link.whatsapp-link { color: #2563EB; }
.card-link.telegram-link { color: #2563EB; }
.card-link.email-link { color: #2563EB; }
.card-link:hover { gap: 10px; }
.card-link svg { width: 16px; height: 16px; }

/* Contact CTA */
.contact-cta {
  padding: 64px 0; background: #fff;
}
.contact-cta-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 48px;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 24px;
}
.contact-cta-inner h2 { font-size: 2rem; font-weight: 800; color: var(--navy); max-width: 520px; line-height: 1.3; }
.contact-cta-inner p { font-size: .95rem; color: var(--text-secondary); max-width: 400px; line-height: 1.6; }
.contact-cta .btn-primary svg { width: 18px; height: 18px; }

/* Floating Inquiry Button */
.floating-inquiry {
  position: fixed; right: 24px; bottom: 32px; z-index: 900;
  background: var(--navy); color: #fff; padding: 14px 22px;
  border-radius: 12px; font-size: .88rem; font-weight: 600;
  box-shadow: 0 8px 28px rgba(0,0,0,.25); cursor: pointer; border: none;
  display: flex; align-items: center; gap: 8px; transition: all .2s;
}
.floating-inquiry:hover { transform: translateY(-2px); box-shadow: 0 12px 36px rgba(0,0,0,.3); }
.floating-inquiry .float-badge {
  position: absolute; top: -8px; right: -8px;
  background: var(--blue); color: #fff; font-size: .68rem; font-weight: 700;
  width: 20px; height: 20px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
}

/* ========== PRODUCT DETAIL ========== */
.product-detail-section { padding: 48px 0 80px; background: var(--gray-bg); }
.product-detail-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
  max-width: var(--max-w); margin: 0 auto; padding: 0 48px; align-items: start;
}
.product-detail-gallery {
  background: #fff; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border); box-shadow: var(--card-shadow);
  position: sticky; top: 96px; padding: 16px;
}
.detail-gallery-main {
  position: relative; border-radius: var(--radius); overflow: hidden;
  margin-bottom: 12px;
}
.detail-img-wrap {
  position: relative; aspect-ratio: 4/3; overflow: hidden;
  background: #f1f5f9;
}
.detail-img-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; transition: opacity .25s ease; }
.detail-img-overlay {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); z-index: 2;
  background: rgba(255,255,255,.92); padding: 10px 16px; border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,.08); text-align: left; pointer-events: none;
}
.detail-img-overlay .ov-code { font-size: .82rem; font-weight: 700; color: var(--navy); }
.detail-img-overlay .ov-spec { font-size: .72rem; color: var(--text-secondary); margin-top: 2px; line-height: 1.4; }

/* Gallery arrows */
.gallery-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,.9); border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--navy); z-index: 3; transition: all .2s;
  box-shadow: 0 2px 8px rgba(0,0,0,.12);
}
.gallery-arrow:hover { background: #fff; transform: translateY(-50%) scale(1.08); }
.gallery-arrow svg { width: 20px; height: 20px; }
.gallery-prev { left: 12px; }
.gallery-next { right: 12px; }

/* Thumbnails */
.detail-thumbs {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px;
}
.thumb-item {
  aspect-ratio: 1/1; border-radius: 8px; overflow: hidden;
  cursor: pointer; border: 2px solid transparent; transition: all .2s;
  background: #f1f5f9;
}
.thumb-item:hover { border-color: var(--blue); transform: translateY(-2px); }
.thumb-item.active { border-color: var(--blue); box-shadow: 0 0 0 2px rgba(33,150,243,.2); }
.thumb-item img { width: 100%; height: 100%; object-fit: cover; display: block; }

.product-detail-info { background: #fff; border-radius: var(--radius-lg); padding: 32px; border: 1px solid var(--border); box-shadow: var(--card-shadow); }
.detail-badges { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.detail-title { font-size: 1.8rem; font-weight: 800; color: var(--navy); margin-bottom: 10px; line-height: 1.25; }
.detail-desc { font-size: 1rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 24px; }
.detail-specs-table { display: flex; flex-direction: column; margin-bottom: 28px; }
.detail-spec-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 0; border-bottom: 1px solid var(--border);
}
.detail-spec-row:last-child { border-bottom: none; }
.detail-spec-row .spec-label { font-size: .9rem; color: var(--text-secondary); font-weight: 500; }
.detail-spec-row .spec-value { font-size: .9rem; font-weight: 600; color: var(--navy); text-align: right; }
.detail-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.detail-actions .btn-add {
  flex: 1; min-width: 180px; padding: 14px 24px; background: #2563eb; color: #fff; border: none; border-radius: 8px;
  font-size: .95rem; font-weight: 600; cursor: pointer; transition: background .2s;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
}
.detail-actions .btn-add:hover { background: #1d4ed8; }
.detail-actions .btn-coa {
  flex: 1; min-width: 160px; padding: 14px 24px; background: #f1f5f9; color: #1e293b; border: none;
  border-radius: 8px; font-size: .95rem; font-weight: 600; cursor: pointer; transition: background .2s;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
}
.detail-actions .btn-coa:hover { background: #e2e8f0; }

.detail-meta-cards {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 24px;
}
.detail-meta-card {
  background: var(--gray-bg); border-radius: 8px; padding: 16px; text-align: center;
}
.detail-meta-card .label { font-size: .72rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-secondary); margin-bottom: 6px; font-weight: 600; }
.detail-meta-card .value { font-size: 1rem; font-weight: 700; color: var(--navy); }

/* ========== PRODUCT OVERVIEW (Image + Text blocks) ========== */
.product-overview-section { padding: 80px 0; background: #fff; }
.product-overview-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 48px; }
.overview-block {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
  align-items: center; margin-bottom: 64px;
}
.overview-block:last-child { margin-bottom: 0; }
.overview-block.reverse .overview-img { order: 2; }
.overview-block.reverse .overview-text { order: 1; }
.overview-img {
  border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 4/3; box-shadow: 0 4px 20px rgba(0,0,0,.08);
}
.overview-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s ease; }
.overview-img:hover img { transform: scale(1.04); }
.overview-text h3 {
  font-size: 1.5rem; font-weight: 800; color: var(--navy);
  margin-bottom: 14px; line-height: 1.3;
}
.overview-text p {
  font-size: 1rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: 20px;
}
.overview-list { display: flex; flex-direction: column; gap: 10px; }
.overview-list li {
  display: flex; align-items: center; gap: 10px;
  font-size: .95rem; color: var(--text); font-weight: 500;
}
.overview-list .ov-check {
  width: 22px; height: 22px; border-radius: 50%; background: #ecfdf5; color: #059669;
  display: flex; align-items: center; justify-content: center;
  font-size: .7rem; font-weight: 700; flex-shrink: 0;
}

/* ========== RELATED PRODUCTS ========== */
.related-section { padding: 64px 0; background: #fff; }
.related-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 48px; }
.related-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.related-header h2 { font-size: 1.5rem; font-weight: 800; color: var(--navy); }
.related-header .browse-all {
  font-size: .9rem; font-weight: 600; color: var(--blue); display: flex; align-items: center; gap: 4px; transition: gap .2s;
}
.related-header .browse-all:hover { gap: 8px; }
.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.related-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden;
  transition: all .3s; cursor: pointer;
}
.related-card:hover { transform: translateY(-3px); box-shadow: var(--card-shadow); border-color: transparent; }
.related-card .related-img { position: relative; aspect-ratio: 4/3; overflow: hidden; background: #f1f5f9; }
.related-card .related-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.related-card .related-body { padding: 14px 16px 16px; }
.related-card .related-code { font-size: .78rem; font-weight: 700; color: #2563eb; margin-bottom: 4px; }
.related-card .related-name { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.related-card .related-spec { font-size: .82rem; color: var(--text-secondary); }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr 440px; gap: 40px; }
  .hero h1 { font-size: 2.4rem; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .workflow-inner { grid-template-columns: 1fr; gap: 32px; }
  .coa-features-grid { grid-template-columns: repeat(3, 1fr); }
  .coa-list-item { grid-template-columns: 1fr auto; gap: 12px; }
  .coa-list-item .item-status { display: none; }
  .contact-cards-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-cta-inner { flex-direction: column; align-items: flex-start; }
  .product-detail-layout { grid-template-columns: 1fr; }
  .product-detail-gallery { position: static; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .overview-block { grid-template-columns: 1fr; gap: 24px; }
  .overview-block.reverse .overview-img { order: 0; }
  .overview-block.reverse .overview-text { order: 0; }
  .overview-text h3 { font-size: 1.25rem; }
}
@media (max-width: 900px) {
  .list-products-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.mobile-open {
    display: flex; flex-direction: column; position: absolute;
    top: 72px; left: 0; right: 0; background: #fff; padding: 16px 24px;
    box-shadow: 0 8px 20px rgba(0,0,0,.1); border-top: 1px solid var(--border);
  }
  .nav-links.mobile-open a { padding: 12px 0; border-bottom: 1px solid var(--gray-bg); }
  .hamburger { display: block; }
  .hero { padding: 40px 0 60px; }
  .hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .hero h1 { font-size: 2rem; }
  .hero-desc { font-size: .95rem; }
  .hero-right { order: -1; }
  .hero-product-img { aspect-ratio: 16/9; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .trust-bar-inner { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .section-title { font-size: 1.6rem; }
  .features-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .product-specs { grid-template-columns: 1fr; }
  .cta-inner { padding: 40px 28px; }
  .cta-inner h2 { font-size: 1.5rem; }
  .footer-inner { flex-direction: column; gap: 20px; }
  .footer-brand, .footer-disclaimer { flex: 1 1 auto; }
  .page-banner h1 { font-size: 1.8rem; }
  .page-banner-inner, .list-layout { padding: 0 24px; }
  .list-products-grid { grid-template-columns: 1fr; }
  .search-bar { flex-wrap: wrap; }
  .workflow-inner, .coa-lookup-inner, .coa-features-inner { padding: 0 24px; }
  .coa-features-grid { grid-template-columns: repeat(2, 1fr); }
  .coa-list-item { grid-template-columns: 1fr; gap: 10px; }
  .coa-list-item .item-actions { justify-content: flex-start; }
  .contact-cards-inner { padding: 0 24px; }
  .contact-cards-grid { grid-template-columns: 1fr; }
  .contact-cta-inner { padding: 0 24px; }
  .floating-inquiry { right: 16px; bottom: 20px; }
  .product-detail-layout { padding: 0 24px; }
  .product-detail-info { padding: 24px; }
  .detail-title { font-size: 1.5rem; }
  .related-inner { padding: 0 24px; }
  .related-grid { grid-template-columns: 1fr; }
  .product-detail-gallery { padding: 12px; }
  .gallery-arrow { width: 36px; height: 36px; }
  .gallery-arrow svg { width: 18px; height: 18px; }
  .detail-thumbs { grid-template-columns: repeat(4, 1fr); gap: 8px; }
}
@media (max-width: 480px) {
  .header-inner { padding: 0 16px; }
  .container { padding: 0 16px; }
  .hero h1 { font-size: 1.65rem; }
  .hero-label { font-size: .7rem; }
  .trust-bar-inner { grid-template-columns: 1fr 1fr; padding: 0 16px; }
  .coa-modal { padding: 24px; }
  .coa-features-grid { grid-template-columns: 1fr; }
}