/* ==========================================================================
   Vireon Telecom — main stylesheet
   Corporate design system: deep navy / charcoal / restrained royal blue.
   ========================================================================== */

/* ---------- tokens ---------- */
:root {
  --navy-950: #081729;
  --navy-900: #0b1f3a;
  --navy-800: #10294a;
  --navy-700: #16345e;
  --navy-100: #dbe4f0;
  --charcoal: #1d2530;
  --ink: #1c2733;
  --muted: #5a6a7a;
  --faint: #8494a5;
  --accent: #2f6fed;
  --accent-dark: #1f56c4;
  --accent-soft: #e8effd;
  --bg: #ffffff;
  --bg-gray: #f4f6f9;
  --bg-gray-2: #eceff4;
  --border: #e2e7ee;
  --border-dark: rgba(255, 255, 255, 0.12);
  --radius: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px rgba(13, 30, 55, 0.06), 0 1px 3px rgba(13, 30, 55, 0.08);
  --shadow-md: 0 6px 24px rgba(13, 30, 55, 0.10);
  --shadow-lg: 0 16px 48px rgba(13, 30, 55, 0.16);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --container: 1180px;
  --header-h: 72px;
}

/* ---------- reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { padding-left: 1.2em; }
h1, h2, h3, h4 { line-height: 1.18; color: var(--navy-900); margin: 0 0 0.5em; font-weight: 700; letter-spacing: -0.015em; }
h1 { font-size: clamp(2.1rem, 4.4vw, 3.3rem); font-weight: 800; letter-spacing: -0.025em; }
h2 { font-size: clamp(1.55rem, 2.8vw, 2.15rem); }
h3 { font-size: 1.12rem; }
p { margin: 0 0 1em; }
.icon { width: 24px; height: 24px; flex: none; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 860px; }

.section { padding: 88px 0; }
.section-gray { background: var(--bg-gray); }
.section-navy { background: var(--navy-900); color: var(--navy-100); }
.section-navy h2, .section-navy h3 { color: #fff; }
.section-tight { padding: 56px 0; }

.eyebrow {
  display: block;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin: 0 0 14px;
}
.section-navy .eyebrow, .hero .eyebrow { color: #7fa6f2; }
.lede { font-size: 1.16rem; line-height: 1.6; color: var(--muted); max-width: 46em; }
.section-navy .lede { color: #b8c6dd; }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { color: var(--muted); }
.note-muted { font-size: 0.82rem; color: var(--faint); }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 300;
  background: var(--navy-900); color: #fff; padding: 10px 18px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 600 0.95rem/1 var(--font);
  padding: 14px 26px; border-radius: 8px; border: 1.5px solid transparent;
  cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:focus-visible { outline: 3px solid rgba(47, 111, 237, 0.4); outline-offset: 2px; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); box-shadow: var(--shadow-md); }
.btn-ghost { background: transparent; color: var(--navy-900); border-color: #c6d0dd; }
.btn-ghost:hover { border-color: var(--navy-900); background: #fff; }
.btn-light { background: #fff; color: var(--navy-900); }
.btn-light:hover { background: var(--accent-soft); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.45); }
.btn-outline-light:hover { border-color: #fff; background: rgba(255,255,255,0.08); }
.btn-sm { padding: 10px 18px; font-size: 0.88rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 26px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 200;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 28px; height: var(--header-h); position: relative; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.logo:hover { text-decoration: none; }
.logo-mark { flex: none; }
.logo-mark svg { width: 38px; height: 38px; max-width: none; display: block; }
.logo-text { display: flex; flex-direction: column; line-height: 1.05; }
.logo-text strong { font-size: 1.06rem; font-weight: 800; letter-spacing: 0.10em; color: var(--navy-900); }
.logo-text small { font-size: 0.6rem; font-weight: 600; letter-spacing: 0.42em; color: var(--accent-dark); }
.logo-light .logo-text strong { color: #fff; }
.logo-light .logo-text small { color: #7fa6f2; }

.main-nav { display: flex; align-items: center; gap: 20px; margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav-list > li { position: relative; }
.nav-list > li.has-mega { position: static; }   /* wide mega anchors to header */
.nav-list > li.has-mega.has-dropdown { position: relative; } /* small dropdown anchors to item */
.nav-list > li > a, .nav-toggle {
  display: inline-flex; align-items: center; gap: 5px;
  font: 500 0.9rem/1 var(--font); color: var(--charcoal);
  padding: 10px 12px; border-radius: 6px; background: none; border: 0; cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
}
.nav-list > li > a:hover, .nav-toggle:hover { color: var(--accent-dark); background: var(--bg-gray); text-decoration: none; }
.nav-list > li > a.active { color: var(--accent-dark); }
.nav-toggle .icon { width: 15px; height: 15px; transition: transform 0.18s ease; }
.has-mega.open .nav-toggle .icon { transform: rotate(180deg); }
.nav-ctas { display: flex; align-items: center; gap: 10px; }

/* mega menu */
.mega {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(6px);
  width: min(920px, calc(100vw - 48px));
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}
.has-mega.open .mega { opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(-50%) translateY(0); }
.mega-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; padding: 26px 26px 14px; }
.mega-col h4 {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--faint); margin: 0 0 10px 10px;
}
.mega-col ul, .dropdown-list { list-style: none; margin: 0; padding: 0; }
.mega-col a, .dropdown-list a {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 9px 10px; border-radius: 8px; text-decoration: none;
  transition: background 0.14s ease;
}
.mega-col a:hover, .dropdown-list a:hover { background: var(--bg-gray); }
.mi { color: var(--accent-dark); margin-top: 1px; }
.mi .icon { width: 19px; height: 19px; }
.mega-col a strong, .dropdown-list a strong { display: block; font-size: 0.86rem; font-weight: 600; color: var(--navy-900); line-height: 1.3; }
.mega-col a small, .dropdown-list a small { display: block; font-size: 0.74rem; color: var(--muted); line-height: 1.35; }
.mega-foot { border-top: 1px solid var(--border); padding: 12px 26px; }
.mega-all { display: inline-flex; align-items: center; gap: 8px; font-size: 0.86rem; font-weight: 600; }
.mega-all .icon { width: 15px; height: 15px; }
.mega-small { width: 320px; left: auto; right: 0; transform: translateY(6px); }
.has-mega.has-dropdown.open .mega-small { transform: translateY(0); }
.mega-small .dropdown-list { padding: 12px; }

/* burger */
.burger { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; padding: 10px; background: none; border: 0; cursor: pointer; }
.burger span { display: block; height: 2px; width: 100%; background: var(--navy-900); border-radius: 2px; transition: transform 0.22s ease, opacity 0.22s ease; }
.burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- breadcrumbs ---------- */
.breadcrumbs { background: var(--bg-gray); border-bottom: 1px solid var(--border); }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 0; padding: 10px 0; font-size: 0.8rem; }
.breadcrumbs li { color: var(--muted); }
.breadcrumbs li + li::before { content: "/"; margin-right: 6px; color: var(--faint); }
.breadcrumbs a { color: var(--muted); }
.breadcrumbs a:hover { color: var(--accent-dark); }

/* ---------- hero (home) ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, var(--navy-950) 0%, var(--navy-900) 65%, var(--navy-800) 100%);
  color: #d9e2f0;
  padding: 96px 0 40px;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.hero h1 { color: #fff; margin-bottom: 20px; max-width: 13em; }
.hero .lede { color: #aebdd6; font-size: 1.13rem; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 30px; font-size: 0.85rem; color: #8fa6f2; }
.hero-meta { color: #8aa3cc; }
.hero-meta span { display: inline-flex; align-items: center; gap: 7px; }
.hero-meta .icon { width: 15px; height: 15px; color: #4d86f5; }
.hero-visual { position: relative; min-width: 0; }
.hero .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.35); }
.hero .btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,0.07); }

/* world map coloring */
.world-map { display: block; width: 100%; height: auto; }
.map-dots { fill: rgba(154, 178, 214, 0.34); }
.map-arcs path {
  fill: none; stroke: rgba(96, 143, 235, 0.55); stroke-width: 1.1;
  stroke-dasharray: 6 7; animation: arcflow 26s linear infinite;
}
.map-nodes .node-core { fill: #5f93f7; }
.map-nodes .node-pulse { fill: rgba(95, 147, 247, 0.16); animation: pulse 3.6s ease-out infinite; transform-origin: center; transform-box: fill-box; }
.map-node:nth-child(2n) .node-pulse { animation-delay: 1.2s; }
.map-node:nth-child(3n) .node-pulse { animation-delay: 2.2s; }
@keyframes arcflow { to { stroke-dashoffset: -260; } }
@keyframes pulse { 0% { transform: scale(0.5); opacity: 0.9; } 70% { transform: scale(1.5); opacity: 0; } 100% { opacity: 0; } }

/* light-context map */
.map-light .map-dots { fill: rgba(27, 53, 94, 0.22); }
.map-light .map-arcs path { stroke: rgba(47, 111, 237, 0.4); }
.map-light .map-nodes .node-core { fill: var(--accent-dark); }
.map-light .map-nodes .node-pulse { fill: rgba(47, 111, 237, 0.14); }

/* ---------- stats strip ---------- */
.stats-strip { background: #fff; border-bottom: 1px solid var(--border); }
.stats-grid { display: grid; grid-template-columns: repeat(5, 1fr); }
.stat { padding: 34px 20px; text-align: center; border-left: 1px solid var(--border); }
.stat:first-child { border-left: 0; }
.stat-value { display: block; font-size: 2.15rem; font-weight: 800; letter-spacing: -0.02em; color: var(--navy-900); font-variant-numeric: tabular-nums; }
.stat-label { display: block; margin-top: 4px; font-size: 0.8rem; font-weight: 500; letter-spacing: 0.04em; color: var(--muted); text-transform: uppercase; }
.stats-note { text-align: center; padding: 0 24px 14px; }

/* stats on navy */
.section-navy .stat { border-color: var(--border-dark); }
.section-navy .stat-value { color: #fff; }
.section-navy .stat-label { color: #93a7c4; }

/* ---------- split layout ---------- */
.split { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px; align-items: start; }
.split.split-contact { grid-template-columns: 1.25fr 0.75fr; }
.split-text h2 { max-width: 15em; }
.split-text p { color: var(--muted); }
.split-aside { min-width: 0; }
.check-list { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 12px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--ink); }
.check-list .icon { width: 20px; height: 20px; color: var(--accent-dark); margin-top: 2px; }
.check-list strong { display: block; }
.check-list small { color: var(--muted); font-size: 0.88rem; }

/* infra panel illustration */
.infra-panel {
  background: linear-gradient(160deg, var(--navy-900), var(--navy-700));
  border-radius: var(--radius-lg); padding: 34px; color: #c9d6ea; box-shadow: var(--shadow-md);
}
.infra-panel h3 { color: #fff; }
.infra-rows { display: grid; gap: 14px; margin-top: 22px; }
.infra-row { display: flex; align-items: center; gap: 14px; background: rgba(255,255,255,0.05); border: 1px solid var(--border-dark); border-radius: 10px; padding: 14px 16px; }
.infra-row .icon { color: #6f9cf3; }
.infra-row strong { display: block; color: #fff; font-size: 0.92rem; }
.infra-row small { color: #93a7c4; font-size: 0.78rem; }

/* ---------- cards ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.service-card {
  display: flex; flex-direction: column; gap: 12px;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 28px; position: relative;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.service-card:hover { border-color: #c3d2ef; box-shadow: var(--shadow-md); transform: translateY(-3px); }
.card-icon {
  width: 46px; height: 46px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft); color: var(--accent-dark);
}
.service-card h3 { margin: 4px 0 0; }
.service-card p { color: var(--muted); font-size: 0.92rem; margin: 0; flex: 1; }
.card-link { display: inline-flex; align-items: center; gap: 7px; font-size: 0.88rem; font-weight: 600; color: var(--accent-dark); margin-top: 4px; }
.card-link .icon { width: 15px; height: 15px; transition: transform 0.18s ease; }
.service-card:hover .card-link .icon { transform: translateX(4px); }
.service-card > a.stretch::after { content: ""; position: absolute; inset: 0; }

/* benefit / why cells */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px 36px; }
.feature-cell h3 { margin: 14px 0 6px; font-size: 1.02rem; }
.feature-cell p { color: var(--muted); font-size: 0.92rem; margin: 0; }
.feature-icon {
  width: 44px; height: 44px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: #fff; border: 1px solid var(--border); color: var(--accent-dark);
  box-shadow: var(--shadow-sm);
}
.section-gray .feature-icon { background: #fff; }
.section-navy .feature-icon { background: rgba(255,255,255,0.06); border-color: var(--border-dark); color: #7fa6f2; box-shadow: none; }
.section-navy .feature-cell p { color: #9fb2cd; }

/* industry cards */
.industry-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; display: flex; flex-direction: column; gap: 8px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.industry-card:hover { border-color: #c3d2ef; box-shadow: var(--shadow-md); }
.industry-card .card-icon { width: 40px; height: 40px; }
.industry-card h3 { font-size: 0.98rem; margin: 6px 0 0; }
.industry-card p { font-size: 0.85rem; color: var(--muted); margin: 0; }

/* ---------- steps / how it works ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; counter-reset: step; position: relative; }
.step { position: relative; padding-top: 22px; }
.step::before {
  content: ""; position: absolute; top: 8px; left: 0; right: -26px; height: 2px;
  background: linear-gradient(90deg, var(--accent) 0 42px, var(--border) 42px);
}
.step:last-child::before { right: 0; }
.step-num { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.12em; color: var(--accent-dark); }
.step h3 { margin: 8px 0 6px; }
.step p { color: var(--muted); font-size: 0.92rem; margin: 0; }

/* ---------- code panel ---------- */
.code-panel {
  background: var(--navy-950); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lg); border: 1px solid #14294a;
  font-size: 0.82rem;
}
.code-head { display: flex; align-items: center; gap: 8px; padding: 12px 18px; background: rgba(255,255,255,0.04); border-bottom: 1px solid var(--border-dark); }
.code-head .dot { width: 10px; height: 10px; border-radius: 50%; background: #2c405f; }
.code-head .code-title { margin-left: 8px; color: #7d92b3; font: 500 0.75rem/1 var(--font); }
.code-panel pre { margin: 0; padding: 20px 22px; overflow-x: auto; color: #c8d6ec; font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace; line-height: 1.7; }
.code-panel .tok-k { color: #7fa6f2; }
.code-panel .tok-s { color: #8fd0a8; }
.code-panel .tok-c { color: #5c718f; }
.code-panel .tok-n { color: #e8b76f; }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(120deg, var(--navy-900), var(--navy-700)); color: #c7d4e8; padding: 64px 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; margin-bottom: 8px; }
.cta-band p { margin: 0; color: #a7b8d2; }
.cta-band .btn-row { margin-top: 0; }

/* ---------- page hero (inner pages) ---------- */
.page-hero { background: linear-gradient(180deg, var(--bg-gray) 0%, #fff 100%); border-bottom: 1px solid var(--border); padding: 72px 0 60px; }
.page-hero h1 { max-width: 17em; }
.page-hero .lede { margin-top: 6px; }
.page-hero-dark { background: linear-gradient(180deg, var(--navy-950), var(--navy-800)); border-bottom: 0; color: #c7d4e8; }
.page-hero-dark h1 { color: #fff; }
.page-hero-dark .lede { color: #aebdd6; }
.page-hero-dark .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.35); }
.page-hero-dark .btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,0.07); }

/* ---------- forms ---------- */
.form-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-sm); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 0.84rem; font-weight: 600; color: var(--charcoal); }
.field label .req { color: #c23b3b; }
.field input, .field select, .field textarea {
  font: 400 0.95rem/1.4 var(--font); color: var(--ink);
  padding: 12px 14px; border: 1.5px solid #cdd6e1; border-radius: 8px; background: #fff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  width: 100%;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(47, 111, 237, 0.15);
}
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: #c23b3b; }
.field .error-msg { display: none; font-size: 0.78rem; color: #c23b3b; }
.field.invalid .error-msg { display: block; }
.form-foot { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; margin-top: 8px; }
.form-note { font-size: 0.78rem; color: var(--faint); max-width: 32em; margin: 0; }
.form-success {
  display: none; grid-column: 1 / -1;
  background: #eef8f0; border: 1px solid #bfe3c8; color: #1e6b34;
  border-radius: 8px; padding: 16px 18px; font-size: 0.92rem;
}
.form-success.visible { display: block; }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; }
table.data { width: 100%; border-collapse: collapse; font-size: 0.9rem; min-width: 640px; }
table.data th, table.data td { text-align: left; padding: 13px 18px; border-bottom: 1px solid var(--border); }
table.data thead th {
  background: var(--bg-gray); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--muted); position: sticky; top: 0;
}
table.data tbody tr:last-child td { border-bottom: 0; }
table.data tbody tr:hover { background: #f8fafd; }

.spec-card { background: var(--bg-gray); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; }
.spec-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; margin: 12px 0 14px; }
.spec-table th, .spec-table td { text-align: left; padding: 9px 0; border-bottom: 1px solid var(--border); vertical-align: top; }
.spec-table th { color: var(--muted); font-weight: 500; padding-right: 16px; width: 42%; }
.spec-table td { color: var(--ink); font-weight: 500; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }

.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.04em; padding: 4px 10px; border-radius: 99px; }
.badge-ok { background: #eaf6ee; color: #1e6b34; }
.badge-partial { background: #fdf3e4; color: #92610f; }
.badge-info { background: var(--accent-soft); color: var(--accent-dark); }
.badge-navy { background: var(--navy-900); color: #fff; }

/* ---------- filters ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 22px; }
.filter-bar input[type="search"] {
  flex: 1 1 260px; font: 400 0.95rem/1.4 var(--font);
  padding: 12px 14px 12px 40px; border: 1.5px solid #cdd6e1; border-radius: 8px;
  background: #fff url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235a6a7a' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='10.5' cy='10.5' r='6.5'/%3E%3Cpath d='M15.5 15.5 21 21'/%3E%3C/svg%3E") 13px center no-repeat;
}
.filter-bar input[type="search"]:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(47,111,237,0.15); }
.chip-group { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font: 600 0.82rem/1 var(--font); color: var(--charcoal);
  padding: 10px 16px; border-radius: 99px; border: 1.5px solid #cdd6e1; background: #fff; cursor: pointer;
  transition: all 0.15s ease;
}
.chip:hover { border-color: var(--accent); color: var(--accent-dark); }
.chip.active { background: var(--navy-900); border-color: var(--navy-900); color: #fff; }
.results-count { font-size: 0.82rem; color: var(--muted); margin: 0 0 10px; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.faq-item summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  list-style: none; cursor: pointer; padding: 18px 22px;
  font-weight: 600; color: var(--navy-900); font-size: 0.97rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .icon { width: 18px; height: 18px; color: var(--muted); transition: transform 0.2s ease; }
.faq-item[open] summary .icon { transform: rotate(180deg); }
.faq-body { padding: 0 22px 18px; color: var(--muted); font-size: 0.93rem; }
.faq-body p { margin: 0; }

/* ---------- related ---------- */
.section-related { background: var(--bg-gray); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.related-link {
  display: flex; align-items: center; gap: 14px;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px 20px; text-decoration: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.related-link:hover { text-decoration: none; border-color: #c3d2ef; box-shadow: var(--shadow-md); }
.related-icon { color: var(--accent-dark); }
.related-link > span:nth-child(2) { flex: 1; }
.related-link strong { display: block; color: var(--navy-900); font-size: 0.93rem; }
.related-link small { color: var(--muted); font-size: 0.78rem; }
.related-link > .icon { width: 16px; height: 16px; color: var(--faint); }

/* ---------- legal ---------- */
.legal-layout { display: grid; grid-template-columns: 240px 1fr; gap: 56px; align-items: start; }
.legal-toc { position: sticky; top: calc(var(--header-h) + 24px); }
.legal-toc h2 { font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); }
.legal-toc ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.legal-toc a { display: block; font-size: 0.86rem; color: var(--muted); padding: 7px 10px; border-left: 2px solid var(--border); }
.legal-toc a:hover { color: var(--accent-dark); text-decoration: none; border-left-color: var(--accent); }
.legal-body h2 { font-size: 1.3rem; margin-top: 2.2em; }
.legal-body h2:first-child { margin-top: 0; }
.legal-body p, .legal-body li { color: #3b4a5a; font-size: 0.95rem; }
.legal-updated { font-size: 0.8rem; color: var(--faint); margin-bottom: 2em; }
.placeholder-box {
  background: #fdf6e8; border: 1px dashed #ddb35f; border-radius: 8px;
  padding: 12px 16px; font-size: 0.85rem; color: #8a6414; margin: 1em 0;
}

/* ---------- footer ---------- */
.site-footer { background: var(--navy-950); color: #9fb0c9; font-size: 0.9rem; }
.footer-top { display: grid; grid-template-columns: 1.3fr 3fr; gap: 64px; padding: 72px 0 48px; }
.footer-brand .logo { margin-bottom: 18px; }
.footer-tag { color: #8496b3; font-size: 0.88rem; max-width: 22em; }
.footer-contact { margin: 4px 0; }
.footer-contact a { color: #b9c8e0; }
.footer-address { color: #8496b3; font-size: 0.85rem; max-width: 24em; }
.footer-cols { display: grid; grid-template-columns: repeat(5, 1fr); gap: 32px 24px; }
.footer-col h3 { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: #667a99; margin-bottom: 16px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.footer-col a { color: #a9bad4; font-size: 0.86rem; }
.footer-col a:hover { color: #fff; text-decoration: none; }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,0.08); padding: 22px 0 26px;
  font-size: 0.8rem; color: #66799a;
}
.footer-bottom p { margin: 0; }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { color: #8496b3; }
.footer-bottom-links a:hover { color: #fff; }

/* ---------- reveal animations ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .map-arcs path, .map-nodes .node-pulse { animation: none; }
  .btn, .service-card { transition: none; }
}

/* ---------- misc ---------- */
.two-col-text { columns: 2; column-gap: 48px; }
.two-col-text p { break-inside: avoid; color: var(--muted); }
.contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.contact-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 26px; }
.contact-card h3 { display: flex; align-items: center; gap: 10px; font-size: 1rem; }
.contact-card h3 .icon { color: var(--accent-dark); width: 20px; height: 20px; }
.contact-card p { color: var(--muted); font-size: 0.88rem; }
.contact-card a { font-weight: 600; font-size: 0.9rem; }
.anchor-offset { scroll-margin-top: calc(var(--header-h) + 24px); }

/* ================= responsive ================= */
@media (max-width: 1180px) {
  .footer-cols { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1080px) {
  /* collapse nav */
  .site-header { backdrop-filter: none; background: #fff; } /* backdrop-filter would trap the fixed nav panel */
  .burger { display: flex; margin-left: auto; }
  .main-nav {
    position: fixed; inset: var(--header-h) 0 0 0; z-index: 190;
    display: none; flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; overflow-y: auto; padding: 12px 24px 40px; margin-left: 0;
  }
  .main-nav.open { display: flex; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-list > li { border-bottom: 1px solid var(--border); }
  .nav-list > li > a, .nav-toggle { width: 100%; justify-content: space-between; padding: 16px 4px; font-size: 1rem; border-radius: 0; }
  .nav-list > li > a:hover, .nav-toggle:hover { background: none; }
  .mega, .mega-small {
    position: static; transform: none; width: 100%; opacity: 1; visibility: hidden;
    border: 0; box-shadow: none; border-radius: 0; display: none; pointer-events: auto;
  }
  .has-mega.open .mega { display: block; visibility: visible; transform: none; }
  .mega-grid { grid-template-columns: 1fr; padding: 0 0 12px; gap: 0; }
  .mega-col h4 { margin: 14px 0 6px 10px; }
  .mega-foot { padding: 12px 10px; }
  .nav-ctas { flex-direction: column; align-items: stretch; margin-top: 20px; gap: 12px; }
  .nav-ctas .btn { width: 100%; padding: 14px; }
  body.nav-locked { overflow: hidden; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding: 64px 0 32px; }
  .split, .split.split-contact { grid-template-columns: 1fr; gap: 40px; }
  .legal-layout { grid-template-columns: 1fr; gap: 28px; }
  .legal-toc { position: static; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step::before { right: 0; }
}

@media (max-width: 900px) {
  .section { padding: 64px 0; }
  .card-grid, .card-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 24px; }
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .stat { border-left: 0; border-top: 1px solid var(--border); }
  .stat:nth-child(-n+3) { border-top: 0; }
  .stat:nth-child(3n+2), .stat:nth-child(3n) { border-left: 1px solid var(--border); }
  .related-grid { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .two-col-text { columns: 1; }
  .footer-top { grid-template-columns: 1fr; gap: 40px; padding: 56px 0 40px; }
}

@media (max-width: 640px) {
  .section { padding: 52px 0; }
  .container { padding: 0 18px; }
  .card-grid, .card-grid.cols-2, .card-grid.cols-4 { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
  .form-card { padding: 24px 20px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat { padding: 24px 12px; border-left: 0 !important; border-top: 1px solid var(--border); }
  .stat:nth-child(-n+2) { border-top: 0; }
  .stat:nth-child(2n) { border-left: 1px solid var(--border) !important; }
  .stat-value { font-size: 1.7rem; }
  .steps { grid-template-columns: 1fr; }
  .step { padding-top: 0; padding-left: 22px; }
  .step::before { top: 0; bottom: -26px; left: 6px; right: auto; width: 2px; height: auto; background: linear-gradient(180deg, var(--accent) 0 42px, var(--border) 42px); }
  .step:last-child::before { bottom: 0; }
  .btn-row .btn { width: 100%; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .cta-band .btn-row { width: 100%; }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
  .hero-meta { flex-direction: column; gap: 8px; }
}