/* RadioParts Pro - B2B Two-Way Radio Accessories */
:root {
  --navy: #0f2a43;
  --navy-2: #16395c;
  --navy-3: #1d4a76;
  --accent: #f26522;
  --accent-dark: #d9531a;
  --bg: #f5f7fa;
  --text: #1e2a36;
  --muted: #5b6b7b;
  --border: #e2e8f0;
  --white: #ffffff;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(15, 42, 67, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: var(--navy-2); text-decoration: none; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* Topbar */
.topbar { background: var(--navy); color: #cfe0ef; font-size: 13px; }
.topbar-inner { display: flex; justify-content: space-between; padding: 6px 20px; flex-wrap: wrap; gap: 4px; }

/* Header */
.site-header { background: var(--white); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { font-size: 22px; font-weight: 800; color: var(--navy); letter-spacing: -0.5px; }
.logo span { color: var(--accent); }
.main-nav { display: flex; align-items: center; gap: 22px; }
.main-nav a { font-weight: 600; font-size: 15px; color: var(--text); }
.main-nav a:hover { color: var(--accent); }
.main-nav a.active { color: var(--accent); }
.nav-toggle { display: none; background: none; border: none; font-size: 26px; cursor: pointer; color: var(--navy); }

/* Buttons */
.btn { display: inline-block; padding: 12px 26px; border-radius: 6px; font-weight: 700; font-size: 15px; transition: all 0.2s; cursor: pointer; border: none; text-align: center; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-outline { border: 2px solid #fff; color: #fff; background: transparent; }
.btn-outline:hover { background: rgba(255,255,255,0.12); }
.btn-outline-dark { border: 2px solid var(--navy); color: var(--navy); background: transparent; }
.btn-outline-dark:hover { background: var(--navy); color: #fff; }
.btn-sm { padding: 8px 18px; font-size: 14px; }

/* Hero */
.hero { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-3) 100%); color: #fff; padding: 90px 0 100px; position: relative; overflow: hidden; }
.hero::after { content: ""; position: absolute; right: -120px; top: -120px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(242,101,34,0.25), transparent 70%); }
.hero h1 { font-size: 44px; line-height: 1.2; max-width: 760px; letter-spacing: -1px; }
.hero p { margin: 20px 0 32px; max-width: 680px; font-size: 18px; color: #d7e3ee; }
.hero .btn + .btn { margin-left: 14px; }

/* Trust bar */
.trustbar { background: var(--navy-2); color: #fff; }
.trustbar-inner { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 40px; padding: 16px 20px; font-size: 14px; font-weight: 600; }
.trustbar-inner span::before { content: "✓ "; color: var(--accent); }

/* Sections */
section { padding: 72px 0; }
.section-alt { background: var(--bg); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head .eyebrow { color: var(--accent); font-weight: 700; text-transform: uppercase; letter-spacing: 2px; font-size: 13px; }
.section-head h2 { font-size: 32px; color: var(--navy); margin: 8px 0 12px; letter-spacing: -0.5px; }
.section-head p { color: var(--muted); }

/* Grids & cards */
.grid { display: grid; gap: 24px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); transition: transform 0.2s, box-shadow 0.2s; }
.card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(15,42,67,0.12); }
.card h3 { color: var(--navy); font-size: 18px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 14.5px; }
.card .icon { font-size: 30px; margin-bottom: 14px; display: inline-block; }
.card a.more { display: inline-block; margin-top: 14px; font-weight: 700; color: var(--accent); font-size: 14px; }

/* Product cards (clickable) */
a.product-card { color: inherit; text-decoration: none; cursor: pointer; }
a.product-card:hover h3 { color: var(--accent); }
.product-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.product-thumb { background: linear-gradient(160deg, #eef2f7, #dde5ee); height: 170px; display: flex; align-items: center; justify-content: center; font-size: 56px; }
.product-thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-body .model { font-size: 12.5px; color: var(--navy-2); font-weight: 700; margin-top: 6px; }
.spec-mini { list-style: none; margin-top: 10px; border-top: 1px dashed var(--border); padding-top: 10px; }
.spec-mini li { font-size: 13px; color: var(--muted); padding: 2px 0; display: flex; justify-content: space-between; }
.spec-mini li strong { color: var(--text); font-weight: 600; }
.product-body { padding: 18px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.product-body .cat { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--accent); }
.product-body h3 { font-size: 16px; margin: 6px 0; }
.product-body .compat { font-size: 13px; color: var(--muted); }

/* Feature list */
.feature-list { list-style: none; }
.feature-list li { padding-left: 30px; position: relative; margin-bottom: 14px; color: var(--muted); }
.feature-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--accent); font-weight: 800; }
.feature-list li strong { color: var(--text); }

/* Bands */
.band { background: linear-gradient(120deg, var(--navy) 0%, var(--navy-3) 100%); color: #fff; padding: 64px 0; }
.band h2 { font-size: 30px; margin-bottom: 12px; }
.band p { color: #d7e3ee; max-width: 640px; }
.band .flex { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }

/* Brands */
.brands-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.brand-chip { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 12px 26px; font-weight: 700; color: var(--navy); font-size: 15px; box-shadow: var(--shadow); }
.disclaimer { text-align: center; color: var(--muted); font-size: 13px; max-width: 780px; margin: 26px auto 0; }

/* FAQ */
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 14px; overflow: hidden; }
.faq-item summary { padding: 18px 22px; font-weight: 700; color: var(--navy); cursor: pointer; list-style: none; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 22px; color: var(--accent); font-size: 20px; }
.faq-item[open] summary::after { content: "−"; }
.faq-item .faq-body { padding: 0 22px 18px; color: var(--muted); font-size: 15px; }

/* Forms */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
label { font-weight: 600; font-size: 14px; color: var(--navy); display: block; margin-bottom: 6px; }
input, select, textarea {
  width: 100%; padding: 11px 14px; border: 1.5px solid var(--border); border-radius: 6px;
  font-size: 15px; font-family: inherit; background: #fff; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
.form-note { font-size: 13px; color: var(--muted); margin-top: 12px; }
.form-success { display: none; background: #e8f7ee; border: 1px solid #b7e2c8; color: #1c6b3a; padding: 14px 18px; border-radius: 8px; margin-top: 16px; font-weight: 600; }

/* Table */
.spec-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.spec-table th, .spec-table td { padding: 13px 18px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14.5px; }
.spec-table th { background: var(--navy); color: #fff; font-weight: 700; white-space: nowrap; }
.spec-table tr:last-child td { border-bottom: none; }
.spec-table td:first-child { font-weight: 600; color: var(--navy); width: 220px; }

/* Breadcrumb */
.breadcrumb { font-size: 13.5px; color: var(--muted); padding: 18px 0 0; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent); }

/* Page hero (subpages) */
.page-hero { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-3) 100%); color: #fff; padding: 56px 0; }
.page-hero h1 { font-size: 34px; letter-spacing: -0.5px; }
.page-hero p { color: #d7e3ee; max-width: 720px; margin-top: 10px; }

/* Steps */
.steps { counter-reset: step; }
.step { display: flex; gap: 20px; margin-bottom: 26px; }
.step .num { counter-increment: step; flex: 0 0 44px; height: 44px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 800; display: flex; align-items: center; justify-content: center; }
.step .num::before { content: counter(step); }
.step h3 { color: var(--navy); font-size: 17px; margin-bottom: 4px; }
.step p { color: var(--muted); font-size: 14.5px; }

/* Filters */
.filter-bar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 30px; }
.filter-bar .chip { padding: 9px 18px; border-radius: 30px; border: 1.5px solid var(--border); background: #fff; font-weight: 600; font-size: 14px; cursor: pointer; color: var(--text); }
.filter-bar .chip.active { background: var(--navy); border-color: var(--navy); color: #fff; }

/* WhatsApp float */
.whatsapp-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 200;
  background: #25d366; color: #fff; width: 56px; height: 56px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 13px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
}

/* Footer */
.site-footer { background: var(--navy); color: #b9cad9; padding: 56px 0 24px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 36px; }
.site-footer h4 { color: #fff; margin-bottom: 14px; font-size: 15px; }
.site-footer a { display: block; color: #b9cad9; margin-bottom: 8px; }
.site-footer a:hover { color: var(--accent); }
.footer-disclaimer { border-top: 1px solid rgba(255,255,255,0.12); padding-top: 20px; font-size: 12.5px; color: #8ba2b6; line-height: 1.6; }

/* CTA section */
.cta-section { text-align: center; }
.cta-section .btn { margin: 8px 6px 0; }

/* Responsive */
@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 34px; }
}
@media (max-width: 680px) {
  .nav-toggle { display: block; }
  .main-nav {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: flex-start;
    padding: 20px; border-bottom: 1px solid var(--border); gap: 16px;
    box-shadow: 0 10px 24px rgba(15,42,67,0.12);
  }
  .main-nav.open { display: flex; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 28px; }
  .hero p { font-size: 16px; }
  section { padding: 52px 0; }
  .hero .btn + .btn { margin-left: 0; margin-top: 10px; }
}