/* ============================================================
   BlackHatSEOExpert.com — Mohid Khan SEO
   Palette: #000000 (pure black) | dark grey | #AEFF37 (accent)
            metallic silver | background #08130E
   Font: Poppins  |  Text on accent surfaces: #08130E
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --bg: #08130E;
  --black: #000000;
  --grey-950: #0a0a0a;
  --grey-900: #101010;
  --grey-800: #161616;
  --grey-700: #1f1f1f;
  --grey-600: #2a2a2a;
  --accent: #AEFF37;
  --accent-dim: rgba(174, 255, 55, .14);
  --accent-glow: rgba(174, 255, 55, .45);
  --silver-1: #f4f6f7;
  --silver-2: #c9ced2;
  --silver-3: #97a0a6;
  --ink: #08130E;
  --text: #d7e0da;
  --muted: #93a29a;
  --wa: #25d366;
  --tg: #229ed9;
  --grad-silver: linear-gradient(115deg, #f7f9fa 0%, #c3cad0 22%, #8e989f 45%, #eef2f4 68%, #aab3b9 100%);
  --radius: 16px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
*::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; overflow-x: hidden; max-width: 100vw; }
body {
  font-family: 'Poppins', 'Segoe UI', sans-serif;
  background-color: var(--bg);
  background-image:
    radial-gradient(900px 480px at 85% -10%, rgba(174,255,55,.07), transparent 60%),
    radial-gradient(700px 420px at -10% 30%, rgba(174,255,55,.05), transparent 60%),
    radial-gradient(800px 500px at 50% 110%, rgba(174,255,55,.04), transparent 60%);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
  max-width: 100vw;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

::selection { background: var(--accent); color: var(--ink); }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: #22301f; border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

img, svg { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; transition: color .25s ease; }
a:hover { color: #d3ff85; }

.container { width: min(1180px, 92%); margin-inline: auto; }

h1, h2, h3, h4 { font-weight: 700; line-height: 1.25; color: #fff; letter-spacing: -.01em; }

.grad-silver {
  background: var(--grad-silver);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.accent { color: var(--accent); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: .78rem; font-weight: 600; letter-spacing: .28em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--accent); border-radius: 2px; }

.section { padding: 88px 0; position: relative; }
.section-dark { background: linear-gradient(180deg, rgba(0,0,0,.65), rgba(0,0,0,.25)); border-block: 1px solid #131b15; }
.section-head { max-width: 760px; margin-bottom: 48px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin-bottom: 14px; }
.section-head p { color: var(--muted); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 28px; border-radius: 999px;
  font-family: inherit; font-size: .95rem; font-weight: 600;
  cursor: pointer; border: 1px solid transparent;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn-lime { background: var(--accent); color: var(--ink); box-shadow: 0 8px 26px rgba(174,255,55,.22); }
.btn-lime:hover { transform: translateY(-3px); box-shadow: 0 14px 34px var(--accent-glow); color: var(--ink); }
.btn-outline { background: rgba(255,255,255,.03); color: #fff; border-color: #3a443d; }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); }
.btn-sm { padding: 10px 20px; font-size: .85rem; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(5, 12, 9, .82);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(174,255,55,.09);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 74px; }
.logo { font-weight: 800; font-size: 1.06rem; color: #fff; letter-spacing: .02em; white-space: nowrap; }
.logo b { color: var(--accent); font-weight: 800; }
.logo small { display: block; font-size: .62rem; font-weight: 500; letter-spacing: .32em; color: var(--muted); text-transform: uppercase; }

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav > a, .main-nav .dropbtn {
  padding: 10px 14px; font-size: .92rem; font-weight: 500; color: var(--text); border-radius: 8px;
  background: none; border: none; font-family: inherit; cursor: pointer;
}
.main-nav > a:hover, .main-nav .dropbtn:hover, .main-nav a.active { color: var(--accent); }

.dropdown { position: relative; }
.dropbtn::after { content: " ▾"; font-size: .7rem; color: var(--accent); }
.dropdown-content {
  position: absolute; top: calc(100% + 6px); left: 0; min-width: 250px;
  background: var(--grey-900); border: 1px solid var(--grey-700); border-radius: 12px;
  padding: 10px; opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all .25s ease; box-shadow: 0 24px 50px rgba(0,0,0,.6);
}
.dropdown:hover .dropdown-content, .dropdown:focus-within .dropdown-content { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-content a { display: block; padding: 9px 12px; border-radius: 8px; color: var(--text); font-size: .88rem; }
.dropdown-content a:hover { background: var(--accent-dim); color: var(--accent); }

.nav-cta { display: flex; align-items: center; gap: 10px; }

.hamburger { display: none; background: none; border: 1px solid var(--grey-600); border-radius: 10px; width: 44px; height: 44px; cursor: pointer; position: relative; }
.hamburger span, .hamburger span::before, .hamburger span::after {
  content: ""; position: absolute; left: 11px; width: 20px; height: 2px; background: var(--accent); border-radius: 2px;
}
.hamburger span { top: 21px; }
.hamburger span::before { left: 0; top: -6px; }
.hamburger span::after { left: 0; top: 6px; }

.mobile-nav {
  display: none; flex-direction: column; gap: 4px; padding: 14px 4%;
  background: rgba(4, 10, 7, .98); border-bottom: 1px solid var(--grey-700);
}
.mobile-nav a { padding: 12px 14px; border-radius: 10px; color: var(--text); font-weight: 500; }
.mobile-nav a:hover { background: var(--accent-dim); color: var(--accent); }
.mobile-nav.open { display: flex; }

/* ---------- Hero ---------- */
.hero { padding: 96px 0 70px; position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 18px; border-radius: 999px;
  background: var(--accent-dim); border: 1px solid rgba(174,255,55,.3);
  color: var(--accent); font-size: .8rem; font-weight: 600; margin-bottom: 22px;
}
.hero h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); margin-bottom: 20px; }
.hero p.lead { font-size: 1.05rem; color: var(--muted); max-width: 620px; margin-bottom: 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 38px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 26px; }
.trust-item strong { display: block; font-size: 1.5rem; font-weight: 800; color: var(--accent); line-height: 1.2; }
.trust-item span { font-size: .8rem; color: var(--muted); }

.hero-visual { position: relative; }
.glow-card {
  position: relative; padding: 40px 34px; border-radius: 24px;
  background: linear-gradient(165deg, #0d0d0d, #050505);
  border: 1px solid rgba(174,255,55,.22);
  box-shadow: 0 40px 90px rgba(0,0,0,.65), inset 0 1px 0 rgba(255,255,255,.04);
}
.rank-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 13px 14px; border-radius: 12px; background: var(--grey-950); border: 1px solid var(--grey-700); margin-bottom: 12px; }
.rank-row:last-child { margin-bottom: 0; }
.rank-pos { font-weight: 800; font-size: .95rem; color: var(--muted); width: 34px; }
.rank-kw { font-size: .84rem; color: var(--text); flex: 1; }
.rank-vol { font-size: .72rem; color: var(--muted); }
.rank-up { color: var(--ink); background: var(--accent); font-size: .72rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; }
.glow-card .tagline { margin-top: 20px; font-size: .78rem; color: var(--muted); text-align: center; }
.orbit-dot { position: absolute; width: 16px; height: 16px; border-radius: 50%; background: var(--accent); filter: blur(1px); box-shadow: 0 0 22px var(--accent-glow); animation: floaty 5s ease-in-out infinite; }
.od-1 { top: -22px; right: 34px; } .od-2 { bottom: 40px; left: -24px; animation-delay: 1.6s; } .od-3 { top: 46%; right: -26px; animation-delay: 3s; }
@keyframes floaty { 0%,100% { transform: translateY(0);} 50% { transform: translateY(-14px);} }

/* ---------- Marquee strip ---------- */
.strip { background: var(--black); border-block: 1px solid var(--grey-700); padding: 16px 0; overflow: hidden; }
.strip-track { display: flex; gap: 54px; white-space: nowrap; animation: slide 26s linear infinite; }
.strip-track span { font-size: .85rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--silver-3); }
.strip-track b { color: var(--accent); }
@keyframes slide { from { transform: translateX(0);} to { transform: translateX(-50%);} }

/* ---------- Cards & grids ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }

.card {
  background: linear-gradient(180deg, var(--grey-900), var(--grey-950));
  border: 1px solid var(--grey-700); border-radius: var(--radius); padding: 30px 26px;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease; position: relative; overflow: hidden;
}
.card::after { content: ""; position: absolute; inset: 0 0 auto 0; height: 2px; background: linear-gradient(90deg, transparent, var(--accent), transparent); opacity: 0; transition: opacity .3s ease; }
.card:hover { transform: translateY(-6px); border-color: rgba(174,255,55,.4); box-shadow: 0 26px 50px rgba(0,0,0,.5); }
.card:hover::after { opacity: 1; }
.card .ico { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; background: var(--accent-dim); border: 1px solid rgba(174,255,55,.25); margin-bottom: 18px; }
.card .ico svg { width: 26px; height: 26px; stroke: var(--accent); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { font-size: 1.08rem; margin-bottom: 10px; }
.card p { font-size: .9rem; color: var(--muted); }

/* ---------- Split sections ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split .media { position: relative; }
.check-list { list-style: none; display: grid; gap: 14px; margin-top: 22px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--text); font-size: .95rem; }
.check-list li::before { content: "✔"; flex: none; width: 22px; height: 22px; border-radius: 50%; background: var(--accent); color: var(--ink); font-size: .72rem; display: grid; place-items: center; font-weight: 800; margin-top: 4px; }

.big-stat-card { padding: 36px; border-radius: 22px; background: linear-gradient(150deg, #101010, #050505); border: 1px solid rgba(174,255,55,.2); }
.big-stat-card .num { font-size: 4rem; font-weight: 900; line-height: 1; }
.stat-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 26px; }
.stat-strip div { background: var(--grey-950); border: 1px solid var(--grey-700); border-radius: 12px; padding: 14px; text-align: center; }
.stat-strip strong { display: block; color: var(--accent); font-size: 1.3rem; font-weight: 800; }
.stat-strip span { font-size: .72rem; color: var(--muted); }

/* ---------- Process steps ---------- */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.step { counter-increment: step; background: var(--grey-950); border: 1px solid var(--grey-700); border-radius: var(--radius); padding: 26px 20px; position: relative; transition: border-color .3s ease, transform .3s ease; }
.step:hover { border-color: rgba(174,255,55,.4); transform: translateY(-5px); }
.step::before { content: "0" counter(step); display: inline-block; font-size: 1.9rem; font-weight: 900; margin-bottom: 12px; }
.step h3 { font-size: .98rem; margin-bottom: 8px; }
.step p { font-size: .83rem; color: var(--muted); }

/* ---------- Comparison table ---------- */
.compare-wrap { overflow-x: auto; border: 1px solid var(--grey-700); border-radius: var(--radius); background: var(--grey-950); }
table.compare { width: 100%; border-collapse: collapse; min-width: 640px; }
table.compare th, table.compare td { padding: 16px 22px; text-align: left; font-size: .92rem; border-bottom: 1px solid var(--grey-700); }
table.compare thead th { background: var(--black); color: var(--accent); font-weight: 600; text-transform: uppercase; font-size: .78rem; letter-spacing: .12em; }
table.compare tbody tr:last-child td { border-bottom: none; }
table.compare td:first-child { color: #fff; font-weight: 500; }
.yes { color: var(--accent); font-weight: 700; }
.no { color: #ff6b6b; font-weight: 700; }

/* ---------- Location chips / hub ---------- */
.chip-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  padding: 9px 18px; border-radius: 999px; background: var(--grey-900);
  border: 1px solid var(--grey-700); color: var(--text); font-size: .85rem; font-weight: 500;
  transition: all .25s ease;
}
.chip:hover { background: var(--accent); border-color: var(--accent); color: var(--ink); transform: translateY(-2px); box-shadow: 0 10px 24px var(--accent-glow); }
.loc-group { margin-bottom: 34px; }
.loc-group h3 { font-size: 1.02rem; margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.loc-group h3::before { content: ""; width: 10px; height: 10px; background: var(--accent); border-radius: 3px; transform: rotate(45deg); }

/* ---------- Testimonials ---------- */
.quote-card { background: linear-gradient(180deg, var(--grey-900), var(--black)); border: 1px solid var(--grey-700); border-radius: var(--radius); padding: 30px 26px; }
.quote-card .stars { color: var(--accent); letter-spacing: 3px; margin-bottom: 14px; font-size: .95rem; }
.quote-card p { font-size: .92rem; color: var(--text); font-style: italic; margin-bottom: 20px; }
.quote-who { display: flex; align-items: center; gap: 12px; }
.avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--accent); color: var(--ink); display: grid; place-items: center; font-weight: 800; font-size: .9rem; }
.quote-who strong { display: block; color: #fff; font-size: .88rem; }
.quote-who span { font-size: .76rem; color: var(--muted); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 860px; margin-inline: auto; display: grid; gap: 12px; }
details.faq { background: var(--grey-950); border: 1px solid var(--grey-700); border-radius: 12px; overflow: hidden; }
details.faq[open] { border-color: rgba(174,255,55,.4); }
details.faq summary { list-style: none; cursor: pointer; padding: 19px 54px 19px 22px; font-weight: 600; color: #fff; font-size: .95rem; position: relative; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); font-size: 1.4rem; color: var(--accent); transition: transform .3s ease; }
details.faq[open] summary::after { transform: translateY(-50%) rotate(45deg); }
details.faq .faq-body { padding: 0 22px 20px; color: var(--muted); font-size: .9rem; }

/* ---------- CTA banner ---------- */
.cta-banner {
  border-radius: 26px; padding: 58px 48px; text-align: center; position: relative; overflow: hidden;
  background: linear-gradient(140deg, #0e1a12, #050805); border: 1px solid rgba(174,255,55,.28);
}
.cta-banner::before { content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(174,255,55,.16), transparent 65%); top: -200px; right: -120px; }
.cta-banner h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: 14px; }
.cta-banner p { color: var(--muted); max-width: 620px; margin: 0 auto 30px; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }

/* ---------- Breadcrumbs ---------- */
.crumbs { padding: 20px 0 0; font-size: .8rem; color: var(--muted); }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--accent); }
.crumbs span[aria-current] { color: var(--accent); }

.page-hero { padding: 64px 0 46px; position: relative; overflow: hidden; }
.page-hero h1 { font-size: clamp(1.9rem, 4vw, 2.9rem); margin-bottom: 18px; max-width: 900px; }
.page-hero .lead { color: var(--muted); max-width: 820px; font-size: 1.02rem; }
.hero-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.hero-chips .chip { pointer-events: none; font-size: .78rem; }

.prose h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); margin: 44px 0 16px; }
.prose h3 { font-size: 1.12rem; margin: 30px 0 12px; color: var(--silver-1); }
.prose p { margin-bottom: 16px; color: var(--text); }
.prose ul, .prose ol { margin: 0 0 18px 22px; color: var(--text); }
.prose li { margin-bottom: 8px; }
.prose strong { color: #fff; }
.prose .note { background: var(--accent-dim); border-left: 3px solid var(--accent); padding: 16px 20px; border-radius: 0 12px 12px 0; color: var(--text); font-size: .92rem; margin: 22px 0; }

/* ---------- Contact page ---------- */
.contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 46px 0; }
.contact-card { text-align: center; padding: 34px 24px; border-radius: var(--radius); background: linear-gradient(180deg, var(--grey-900), var(--black)); border: 1px solid var(--grey-700); transition: transform .3s ease, border-color .3s ease; }
.contact-card:hover { transform: translateY(-6px); border-color: rgba(174,255,55,.4); }
.contact-card .ico { width: 58px; height: 58px; margin: 0 auto 16px; border-radius: 50%; display: grid; place-items: center; }
.contact-card .ico svg { width: 26px; height: 26px; }
.ico-wa { background: rgba(37,211,102,.14); border: 1px solid rgba(37,211,102,.4); }
.ico-tg { background: rgba(34,158,217,.14); border: 1px solid rgba(34,158,217,.45); }
.ico-em { background: var(--accent-dim); border: 1px solid rgba(174,255,55,.35); }
.contact-card h3 { font-size: 1rem; margin-bottom: 6px; }
.contact-card p { font-size: .84rem; color: var(--muted); margin-bottom: 14px; }

.contact-split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 44px; align-items: start; }
.form-card { background: linear-gradient(180deg, var(--grey-900), var(--black)); border: 1px solid var(--grey-700); border-radius: 20px; padding: 36px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: .8rem; font-weight: 600; color: var(--silver-2); }
.field input, .field select, .field textarea {
  font-family: inherit; font-size: .92rem; color: #fff; background: var(--grey-950);
  border: 1px solid var(--grey-600); border-radius: 10px; padding: 13px 16px; outline: none;
  transition: border-color .25s ease, box-shadow .25s ease; width: 100%;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(174,255,55,.15); }
.form-note { font-size: .76rem; color: var(--muted); margin-top: 14px; }

.info-side .info-block { background: var(--grey-950); border: 1px solid var(--grey-700); border-radius: 14px; padding: 22px; margin-bottom: 16px; }
.info-side h3 { font-size: .95rem; margin-bottom: 8px; }
.info-side p, .info-side li { font-size: .86rem; color: var(--muted); }
.info-side ul { list-style: none; }
.info-side li { padding: 6px 0; border-bottom: 1px dashed var(--grey-700); }
.info-side li:last-child { border-bottom: none; }

/* ---------- Footer ---------- */
.site-footer { background: var(--black); border-top: 1px solid var(--grey-700); margin-top: 40px; }
.footer-top { display: grid; grid-template-columns: 1.3fr 1fr 1.6fr; gap: 44px; padding: 64px 0 44px; }
.footer-top h4 { color: #fff; font-size: .95rem; margin-bottom: 18px; text-transform: uppercase; letter-spacing: .1em; }
.footer-about p { font-size: .87rem; color: var(--muted); margin: 14px 0 20px; }
.footer-links { display: grid; gap: 10px; }
.footer-links a { color: var(--muted); font-size: .87rem; }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-loc { display: grid; grid-template-columns: repeat(auto-fill, minmax(215px, 1fr)); gap: 8px 22px; }
.footer-loc a { color: var(--muted); font-size: .8rem; }
.footer-loc a:hover { color: var(--accent); }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; border: 1px solid var(--grey-600); transition: all .25s ease; }
.footer-social a svg { width: 20px; height: 20px; }
.fs-wa:hover { background: var(--wa); border-color: var(--wa); }
.fs-tg:hover { background: var(--tg); border-color: var(--tg); }
.footer-bottom { border-top: 1px solid var(--grey-800); padding: 22px 0; }
.fb-wrap { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; font-size: .8rem; color: var(--muted); }
.fb-wrap nav { display: flex; gap: 20px; }
.fb-wrap nav a { color: var(--muted); }
.fb-wrap nav a:hover { color: var(--accent); }

/* ---------- Floating WhatsApp & Telegram buttons ---------- */
.float-stack { position: fixed; right: 22px; bottom: 22px; z-index: 1500; display: flex; flex-direction: column; gap: 14px; }
.float-btn {
  position: relative; width: 58px; height: 58px; border-radius: 50%;
  display: grid; place-items: center; box-shadow: 0 12px 30px rgba(0,0,0,.5);
  transition: transform .25s ease;
}
.float-btn:hover { transform: scale(1.1) rotate(6deg); }
.float-btn svg { width: 30px; height: 30px; fill: #fff; }
.float-wa { background: var(--wa); }
.float-tg { background: var(--tg); }
.float-btn::before { content: ""; position: absolute; inset: -5px; border-radius: 50%; border: 2px solid currentColor; opacity: 0; animation: pulse 2.4s ease-out infinite; }
.float-wa::before { color: var(--wa); }
.float-tg::before { color: var(--tg); animation-delay: 1.2s; }
@keyframes pulse { 0% { transform: scale(.8); opacity: .8;} 100% { transform: scale(1.5); opacity: 0;} }
.float-tip {
  position: absolute; right: 72px; top: 50%; transform: translateY(-50%);
  background: var(--grey-900); border: 1px solid var(--grey-600); color: #fff;
  padding: 8px 14px; border-radius: 10px; font-size: .76rem; font-weight: 500; white-space: nowrap;
  opacity: 0; visibility: hidden; transition: all .25s ease; pointer-events: none;
}
.float-btn:hover .float-tip { opacity: 1; visibility: visible; right: 68px; }

/* ---------- Footer location band ---------- */
.footer-band { border-top: 1px solid var(--grey-800); padding: 40px 0 48px; }
.footer-band > h4 { color: #fff; font-size: .95rem; margin-bottom: 22px; text-transform: uppercase; letter-spacing: .1em; }
.loc-group-footer { margin-bottom: 28px; }
.loc-group-footer:last-child { margin-bottom: 0; }
.loc-group-footer > h4 {
  color: var(--accent); font-size: .78rem; font-weight: 600;
  margin-bottom: 14px; text-transform: uppercase; letter-spacing: .22em;
}

/* ---------- Misc ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
.divider-glow { height: 1px; background: linear-gradient(90deg, transparent, rgba(174,255,55,.5), transparent); border: none; margin: 0; }
.toc-box { background: var(--grey-950); border: 1px solid var(--grey-700); border-radius: 14px; padding: 24px 26px; margin: 26px 0; }
.toc-box h2 { margin: 0 0 12px !important; font-size: 1rem !important; }
.toc-box ol { margin-left: 18px !important; columns: 2; column-gap: 40px; font-size: .88rem; }
.toc-box a { color: var(--silver-2); }

/* ---------- Blog ---------- */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.blog-card { background: linear-gradient(180deg, var(--grey-900), var(--grey-950)); border: 1px solid var(--grey-700); border-radius: var(--radius); overflow: hidden; transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease; display: flex; flex-direction: column; }
.blog-card:hover { transform: translateY(-6px); border-color: rgba(174,255,55,.4); box-shadow: 0 26px 50px rgba(0,0,0,.5); }
.blog-thumb { height: 190px; background: linear-gradient(135deg, #0f1f14, #050505); display: grid; place-items: center; border-bottom: 1px solid var(--grey-700); position: relative; overflow: hidden; }
.blog-thumb span { font-size: 3rem; filter: drop-shadow(0 4px 20px rgba(174,255,55,.3)); }
.blog-thumb::after { content:""; position:absolute; inset:0; background: radial-gradient(400px 200px at 70% 20%, rgba(174,255,55,.08), transparent 60%); }
.blog-body { padding: 22px 20px; flex:1; display:flex; flex-direction:column; }
.blog-meta { display:flex; gap:10px; align-items:center; font-size:.74rem; color:var(--muted); margin-bottom:10px; flex-wrap:wrap; }
.blog-meta .cat { background: var(--accent-dim); border:1px solid rgba(174,255,55,.25); color:var(--accent); padding:3px 10px; border-radius:999px; font-weight:600; font-size:.68rem; letter-spacing:.06em; text-transform:uppercase; }
.blog-card h3 { font-size:1.02rem; margin-bottom:10px; line-height:1.4; }
.blog-card h3 a { color:#fff; }
.blog-card h3 a:hover { color:var(--accent); }
.blog-card p { font-size:.85rem; color:var(--muted); margin-bottom:16px; flex:1; }
.blog-foot { display:flex; justify-content:space-between; align-items:center; font-size:.78rem; color:var(--muted); border-top:1px solid var(--grey-700); padding-top:12px; margin-top:auto; }
.blog-foot a { color:var(--accent); font-weight:600; }
.blog-article { max-width: 800px; margin-inline:auto; }
.blog-article .prose p { line-height:1.85; }
.blog-article h2 { scroll-margin-top: 90px; }
.toc-box.sticky { position: sticky; top: 84px; }
.author-box { display:flex; gap:16px; align-items:center; background: var(--grey-900); border:1px solid var(--grey-700); border-radius:14px; padding:18px 20px; margin:30px 0; }
.author-box .avatar-lg { width:52px; height:52px; border-radius:50%; background:var(--accent); color:var(--ink); display:grid; place-items:center; font-weight:800; flex:none; }
.post-nav { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-top:40px; }
.post-nav a { background:var(--grey-900); border:1px solid var(--grey-700); border-radius:12px; padding:16px; color:var(--text); font-size:.88rem; }
.post-nav a:hover { border-color:var(--accent); color:var(--accent); }
.post-nav span { display:block; font-size:.7rem; color:var(--muted); text-transform:uppercase; letter-spacing:.1em; margin-bottom:4px; }
/* ---------- Blog grid responsive (base) ---------- */
@media (max-width:1024px){ .blog-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:680px){ .blog-grid{grid-template-columns:1fr;} .post-nav{grid-template-columns:1fr;} }

/* ---------- Responsive: All devices ---------- */
@media (max-width: 1024px) {
  .container { width: min(1180px, 94%); }
  .hero-grid, .split, .contact-split { grid-template-columns: 1fr; gap: 32px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .main-nav, .nav-cta { display: none !important; }
  .hamburger { display: block !important; }
  .site-header .nav-wrap { height: 64px; }
  .orbit-dot { display: none; }
}
@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .section-head h2 { font-size: clamp(1.5rem, 5vw, 2rem); }
  .page-hero h1 { font-size: clamp(1.7rem, 6vw, 2.2rem); }
  .blog-article { max-width: 100%; padding-inline: 0; }
  .contact-cards { gap: 16px; }
}
@media (max-width: 680px) {
  html { font-size: 15px; }
  .container { width: 94%; }
  .section { padding: 56px 0; }
  .section-head { margin-bottom: 32px; }
  .grid-3, .grid-2, .grid-4, .contact-cards { grid-template-columns: 1fr; gap: 16px; }
  .steps { grid-template-columns: 1fr; gap: 16px; }
  .stat-strip { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .stat-strip div { padding: 10px 8px; }
  .stat-strip strong { font-size: 1.05rem; }
  .stat-strip span { font-size: .66rem; line-height: 1.3; }
  .big-stat-card { padding: 24px 20px; }
  .big-stat-card .num { font-size: 3rem; }
  .card { padding: 24px 20px; }
  .form-grid { grid-template-columns: 1fr; }
  .cta-banner { padding: 32px 20px; border-radius: 18px; }
  .cta-banner h2 { font-size: clamp(1.35rem, 6vw, 1.7rem); }
  .footer-top { grid-template-columns: 1fr; gap: 28px; padding: 40px 0 28px; }
  .footer-loc { grid-template-columns: 1fr; }
  .footer-band { padding: 28px 0 32px; }
  .footer-loc a { font-size: .82rem; word-break: break-word; }
  .toc-box { padding: 18px 16px; margin: 20px 0; }
  .toc-box ol { columns: 1; font-size: .82rem; }
  .toc-box h2 { font-size: .95rem !important; }
  .float-stack { right: 12px; bottom: 12px; gap: 10px; }
  .float-btn { width: 48px; height: 48px; }
  .float-btn svg { width: 24px; height: 24px; }
  .float-tip { display: none; }
  .hero { padding: 48px 0 36px; }
  .hero-grid { gap: 28px; }
  .hero h1 { font-size: clamp(1.65rem, 8vw, 2.1rem); line-height: 1.15; word-wrap: break-word; }
  .hero-badge { font-size: .7rem; padding: 6px 10px; text-align: center; line-height: 1.4; }
  .hero p.lead { font-size: .95rem; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 10px; }
  .hero-actions .btn { width: 100%; justify-content: center; padding: 14px 20px; }
  .hero-trust { gap: 12px; }
  .hero-trust .trust-item { flex: 1 1 calc(50% - 12px); min-width: 0; }
  .trust-item strong { font-size: 1.2rem; }
  .trust-item span { font-size: .74rem; }
  .glow-card { padding: 20px 16px; border-radius: 16px; }
  .rank-row { padding: 10px 12px; gap: 8px; flex-wrap: wrap; }
  .rank-kw { font-size: .78rem; min-width: 0; word-break: break-word; }
  .rank-vol { display: none; }
  .rank-up { font-size: .7rem; padding: 2px 8px; }
  .strip-track { gap: 32px; }
  .strip-track span { font-size: .78rem; }
  .compare-wrap { margin-inline: 0; width: 100%; border-radius: 12px; border: 1px solid var(--grey-700); overflow-x: auto; -webkit-overflow-scrolling: touch; }
  table.compare { min-width: 520px; }
  table.compare th, table.compare td { padding: 12px 14px; font-size: .82rem; white-space: nowrap; }
  table.compare td:first-child { white-space: normal; min-width: 120px; }
  .chip-cloud { gap: 8px; }
  .chip { font-size: .78rem; padding: 8px 14px; }
  .page-hero { padding: 36px 0 28px; }
  .page-hero h1 { font-size: clamp(1.5rem, 7vw, 1.9rem); word-wrap: break-word; }
  .page-hero .lead { font-size: .95rem; }
  .crumbs { font-size: .72rem; word-break: break-word; }
  .hero-chips { gap: 8px; }
  .blog-thumb { height: 160px; }
  .blog-body { padding: 18px 16px; }
  .blog-card h3 { font-size: .95rem; }
  .post-nav { gap: 12px; }
  .post-nav a { padding: 14px; font-size: .82rem; }
  .author-box { flex-direction: column; text-align: center; padding: 16px; gap: 12px; }
  .contact-card { padding: 24px 16px; }
  .form-card { padding: 24px 16px; border-radius: 16px; }
  .field input, .field select, .field textarea { font-size: 16px; /* prevents iOS zoom */ }
}
@media (max-width: 390px) {
  .container { width: 94%; }
  .logo { font-size: .88rem; }
  .logo small { font-size: .5rem; letter-spacing: .18em; }
  .hero h1 { font-size: 1.55rem; }
  .cta-banner h2 { font-size: 1.3rem; }
  .stat-strip { gap: 6px; }
  .stat-strip div { padding: 8px 6px; }
}
@media (max-width: 360px) {
  .container { width: 94%; }
  .btn { padding: 12px 20px; font-size: .88rem; }
  .hero-badge { font-size: .68rem; }
  .card .ico { width: 46px; height: 46px; }
  .card .ico svg { width: 22px; height: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}