:root {
  --brand: #0891b2;
  --brand-dark: #0e7490;
  --brand-light: #e0f2fe;
  --ink: #0b1320;
  --muted: #64748b;
  --panel: #ffffff;
  --panel-b: #e2e8f0;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, Roboto, sans-serif;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  background:
    radial-gradient(900px 600px at 60% 10%, rgba(8,145,178,.07), transparent 60%),
    radial-gradient(1200px 800px at 0% 100%, rgba(6,182,212,.05), transparent 65%),
    linear-gradient(180deg, #f0f9ff 0%, #e0f2fe 30%, #f8fafc 100%);
  min-height: 100vh;
}

/* ===== Header ===== */
.wb-header { background: #fff; border-bottom: 1px solid var(--panel-b); position: relative; z-index: 10; }
.wb-container,
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.wb-header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand img { height: 42px; display: block; }
.nav { display: flex; gap: 14px; align-items: center; }
.nav > a { text-decoration: none; color: #334155; padding: 8px 10px; border-radius: 10px; font-size: 15px; }
.nav > a:hover { background: #f0f9ff; }
.nav-dropdown { position: relative; }
.nav-dropdown > button {
  display: inline-flex; align-items: center; gap: 6px;
  height: 36px; padding: 0 12px; cursor: pointer;
  border: 1px solid var(--panel-b); background: #fff; color: var(--ink);
  border-radius: 12px; font-size: 15px; font-weight: 500;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
.nav-dropdown .menu {
  position: absolute; right: 0; top: calc(100% + 6px);
  display: none; z-index: 100; min-width: 220px;
  background: #fff; border: 1px solid var(--panel-b); border-radius: 14px;
  padding: 8px; box-shadow: 0 16px 40px rgba(0,0,0,.12);
}
.nav-dropdown.open .menu { display: block; }
.nav-dropdown .menu a {
  display: block; padding: 10px 12px; border-radius: 10px;
  color: var(--ink); text-decoration: none; font-size: 14px;
}
.nav-dropdown .menu a:hover { background: #f0f9ff; }
.burger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.burger span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: .2s; }

/* ===== Hero ===== */
.hero { text-align: center; padding: 56px 24px 40px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 5px 14px; border-radius: 999px;
  background: rgba(8,145,178,.1); border: 1px solid rgba(8,145,178,.25);
  color: var(--brand-dark); font-size: 12px; font-weight: 700;
  letter-spacing: .07em; text-transform: uppercase; margin-bottom: 16px;
}
.hero h1 {
  font-size: clamp(32px, 5vw, 52px); font-weight: 900;
  letter-spacing: -.03em; line-height: 1.1; margin-bottom: 12px;
}
.hero p.sub { color: var(--muted); font-size: 17px; max-width: 560px; margin: 0 auto; }

/* ===== IP Card ===== */
.ip-section { padding: 0 24px 48px; }
.ip-card {
  max-width: 760px; margin: 0 auto;
  background: #fff;
  border: 1px solid var(--panel-b);
  border-radius: 28px;
  box-shadow: 0 20px 60px rgba(8,145,178,.10), 0 1px 0 rgba(255,255,255,.8) inset;
  overflow: hidden;
}
.ip-main {
  padding: 40px 40px 32px;
  text-align: center;
  background: linear-gradient(180deg, #f0f9ff 0%, #fff 100%);
  border-bottom: 1px solid #e0f2fe;
}
.ip-label {
  font-size: 12px; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--brand); margin-bottom: 10px;
}
.ip-address {
  font-size: clamp(28px, 5vw, 46px);
  font-weight: 900; letter-spacing: -.02em;
  color: var(--ink);
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  word-break: break-all; line-height: 1.2; margin-bottom: 16px;
}
.ip-version {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 999px;
  background: var(--brand-light); color: var(--brand-dark);
  font-size: 12px; font-weight: 700; margin-bottom: 20px;
}
.copy-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 24px; border-radius: 14px; cursor: pointer;
  background: linear-gradient(180deg, var(--brand), var(--brand-dark));
  color: #fff; border: none; font-size: 15px; font-weight: 600;
  box-shadow: 0 8px 24px rgba(8,145,178,.35);
  transition: transform .1s, box-shadow .15s;
}
.copy-btn:hover { transform: translateY(-1px); box-shadow: 0 12px 32px rgba(8,145,178,.45); }
.copy-btn.copied { background: linear-gradient(180deg, #16a34a, #15803d); box-shadow: 0 8px 24px rgba(22,163,74,.3); }

/* ===== Info Grid ===== */
.ip-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}
.info-item {
  padding: 20px 28px;
  border-right: 1px solid #f0f9ff;
  border-bottom: 1px solid #f0f9ff;
}
.info-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--brand-light); color: var(--brand);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; margin-bottom: 8px;
}
.info-key {
  font-size: 11px; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 3px;
}
.info-val {
  font-size: 15px; font-weight: 600; color: var(--ink);
  word-break: break-word; line-height: 1.4;
}
.info-val.empty { color: var(--muted); font-weight: 400; font-style: italic; }

/* ===== Map link ===== */
.map-link-wrap { padding: 16px 28px; border-top: 1px solid #f0f9ff; }
.map-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--brand); text-decoration: none; font-weight: 600;
}
.map-link:hover { text-decoration: underline; }

/* ===== SEO Content ===== */
.seo-content { max-width: 1160px; margin: 64px auto 0; padding: 0 24px; }
.seo-content h2 {
  font-size: clamp(22px, 3vw, 30px); font-weight: 800;
  color: var(--ink); margin-bottom: 14px; letter-spacing: -.02em;
}
.seo-content p { color: var(--muted); line-height: 1.8; margin-bottom: 14px; }
.seo-content a { color: var(--brand); text-decoration: none; }
.seo-content a:hover { text-decoration: underline; }
.seo-content ul {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px; list-style: none; padding: 0; margin: 16px 0 0;
}
.seo-content li {
  position: relative; background: #fff; border-radius: 14px;
  padding: 14px 16px 14px 40px;
  box-shadow: 0 4px 16px rgba(0,0,0,.05); border: 1px solid var(--panel-b);
  font-size: 15px; line-height: 1.6;
}
.seo-content li::before {
  content: "✓"; position: absolute; left: 14px; top: 14px;
  color: var(--brand); font-weight: 700;
}
.seo-content h3 + p {
  border-left: 4px solid var(--brand);
  background: linear-gradient(180deg, #f0f9ff, #fff);
  border-radius: 0 12px 12px 0;
  padding: 14px 18px; margin-top: 10px;
}

/* ===== FAQ ===== */
.faq { max-width: 1160px; margin: 72px auto 0; padding: 0 24px; display: flex; flex-direction: column; gap: 14px; }
.faq h2 { font-size: clamp(22px, 3vw, 30px); font-weight: 800; margin-bottom: 6px; letter-spacing: -.02em; }
.faq h3 {
  margin: 0; padding: 17px 52px 17px 20px; font-size: 16px; font-weight: 600;
  cursor: pointer; position: relative; user-select: none;
  border: 1px solid #bae6fd; border-radius: 16px; background: #fff;
  box-shadow: 0 4px 16px rgba(8,145,178,.08);
  transition: background .15s, border-color .15s;
}
.faq h3::after {
  content: "\002B"; position: absolute; right: 20px; top: 50%;
  transform: translateY(-50%); font-size: 20px; color: var(--brand); line-height: 1;
}
.faq h3:hover { background: #f0f9ff; border-color: #7dd3fc; }
.faq h3.open { border-radius: 16px 16px 0 0; border-bottom-color: transparent; background: #f0f9ff; }
.faq h3.open::after { content: "\2212"; }
.faq p {
  display: none; margin: 0; padding: 16px 20px;
  background: #f0f9ff; border: 1px solid #bae6fd; border-top: none;
  border-radius: 0 0 16px 16px; color: var(--muted); font-size: 15px; line-height: 1.7;
}
.faq h3.open + p { display: block; }

/* ===== Mouse glow ===== */
.mouse-glow {
  pointer-events: none; position: fixed; z-index: 9999;
  width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(8,145,178,.10) 0%, transparent 70%);
  transform: translate(-50%, -50%); transition: left .08s, top .08s;
}

.fab-seo, .fab-call { display: none; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav { display: none; }
  .nav.open {
    display: flex; flex-direction: column;
    position: absolute; top: 64px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--panel-b);
    padding: 16px; gap: 6px; z-index: 20;
  }
  .burger { display: flex; }
  .ip-main { padding: 28px 20px 24px; }
  .ip-info { grid-template-columns: 1fr 1fr; }
  .info-item { border-right: none; }
  .info-item:nth-child(odd) { border-right: 1px solid #f0f9ff; }
}
@media (max-width: 480px) {
  .ip-info { grid-template-columns: 1fr; }
  .info-item { border-right: none !important; }
}

/* ═══════════════════════════════════════════════════════════
   FOOTER - Premium Dark Style
   ═══════════════════════════════════════════════════════════ */
footer .wb-container,
footer .container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 40px;
}
footer {
  background: #07070a;
  color: #f5f5f5;
  padding: 80px 0 40px;
  font-size: 15px;
  margin-top: 100px;
  position: relative;
}
footer::before {
  content: '';
  position: absolute;
  top: 0; left: 50%; transform: translateX(-50%);
  width: 80%; max-width: 800px; height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(59,130,246,.6) 30%, rgba(16,185,129,.6) 70%, transparent 100%);
}
footer::after {
  content: '';
  position: absolute;
  top: 0; left: 50%; transform: translateX(-50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse at center top, rgba(59,130,246,.06) 0%, transparent 60%);
  pointer-events: none;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 60px;
  position: relative; z-index: 1;
}

.footer-brand { padding-right: 40px; }
.footer-brand h3 {
  font-size: 26px; font-weight: 800; margin: 0 0 20px;
  color: #fff; letter-spacing: -0.03em;
}
.footer-brand > p {
  color: #6b7280; line-height: 1.75; font-size: 15px; margin-bottom: 32px;
}

.footer-badges { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-badges a {
  display: flex; align-items: center; justify-content: center;
  padding: 14px 18px;
  background: rgba(255,255,255,.02); border: 1px solid rgba(255,255,255,.05);
  border-radius: 12px;
  transition: all 0.4s cubic-bezier(0.16,1,0.3,1);
}
.footer-badges a:hover {
  background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.1);
  transform: translateY(-3px); box-shadow: 0 10px 40px -10px rgba(0,0,0,.5);
}
.footer-badges img, .footer-icon { height: 28px; width: auto; }

.footer-links { display: flex; flex-direction: column; }
.footer-links h2 {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.12em; margin-bottom: 28px; color: #fff;
  position: relative; display: inline-block;
}
.footer-links h2::after {
  content: ''; position: absolute; bottom: -10px; left: 0;
  width: 20px; height: 2px;
  background: linear-gradient(90deg, #3b82f6, #10b981); border-radius: 2px;
}
.footer-links a {
  display: block; width: fit-content; color: #6b7280; text-decoration: none;
  padding: 8px 0; font-size: 14px; font-weight: 450;
  transition: all 0.3s cubic-bezier(0.16,1,0.3,1); position: relative;
}
.footer-links a::after {
  content: ''; position: absolute; bottom: 6px; left: 0;
  width: 0; height: 1px;
  background: linear-gradient(90deg, #3b82f6, #10b981);
  transition: width 0.3s cubic-bezier(0.16,1,0.3,1);
}
.footer-links a:hover { color: #f1f5f9; transform: translateX(6px); }
.footer-links a:hover::after { width: 100%; }

.footer-social { margin-top: 8px; }
.footer-social a {
  color: #6b7280; text-decoration: none; display: block;
  padding: 8px 0; font-size: 14px; width: fit-content;
  transition: all 0.3s cubic-bezier(0.16,1,0.3,1);
}
.footer-social a:hover { color: #f1f5f9; transform: translateX(6px); }
.footer-social .badge {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 28px; font-size: 12px; font-weight: 600;
  padding: 10px 18px; border-radius: 100px;
  background: linear-gradient(135deg, rgba(59,130,246,.1) 0%, rgba(16,185,129,.1) 100%);
  color: #9ca3af; border: 1px solid rgba(255,255,255,.05); letter-spacing: .02em;
  transition: all 0.4s ease;
}
.footer-social .badge:hover {
  background: linear-gradient(135deg, rgba(59,130,246,.15) 0%, rgba(16,185,129,.15) 100%);
  border-color: rgba(255,255,255,.1); color: #d1d5db;
}

.footer-services {
  grid-column: 1 / -1;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-services-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
}
.footer-service-col h2 {
  font-size: 13px; font-weight: 700; color: #fff;
  text-transform: uppercase; letter-spacing: .05em;
  margin-bottom: 16px; padding-bottom: 10px;
  border-bottom: 2px solid #6366f1; display: inline-block;
}
.footer-service-col a {
  display: block; font-size: 14px; color: rgba(255,255,255,.65);
  text-decoration: none; padding: 6px 0;
  transition: all 0.2s ease;
}
.footer-service-col a:hover { color: #fff; padding-left: 6px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.04);
  text-align: center; margin-top: 60px; padding: 32px 40px 0;
  font-size: 13px; color: #4b5563;
  position: relative; z-index: 1; letter-spacing: .01em;
  max-width: 1160px; margin-left: auto; margin-right: auto;
}

/* Footer responsive */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 48px; }
  .footer-brand { grid-column: 1 / -1; padding-right: 0; max-width: 400px; }
  .footer-services-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
}
@media (max-width: 640px) {
  footer { padding: 60px 0 32px; margin-top: 60px; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-brand { text-align: center; max-width: 100%; }
  .footer-brand > p { margin-left: auto; margin-right: auto; max-width: 300px; }
  .footer-badges { justify-content: center; }
  .footer-links { text-align: center; align-items: center; }
  .footer-links h2::after { left: 50%; transform: translateX(-50%); }
  .footer-links a:hover { transform: none; }
  .footer-links a::after { left: 50%; transform: translateX(-50%); }
  .footer-social { text-align: center; display: flex; flex-direction: column; align-items: center; }
  .footer-bottom { margin-top: 40px; }
  .footer-services-grid { grid-template-columns: 1fr; gap: 24px; text-align: center; }
  .footer-service-col h2 { display: block; border-bottom: none; }
  .footer-service-col h2::after {
    content: ""; display: block; width: 40px; height: 2px;
    background: #6366f1; margin: 10px auto 0;
  }
  .footer-service-col a:hover { padding-left: 0; color: #6366f1; }
}