/* ============================================================
   Meccha Chameleon Guide — Premium Theme ("Paint-to-Hide")
   Design: dark premium + vibrant paint accents + glassmorphism
   ============================================================ */
:root{
  --bg:#0a0e14;
  --bg-2:#0f1620;
  --surface:#141c28;
  --surface-2:#1a2434;
  --border:rgba(255,255,255,.09);
  --border-strong:rgba(255,255,255,.16);
  --text:#f2f5f8;
  --muted:#94a3b8;
  --muted-2:#64748b;
  --green:#3ddc84;
  --coral:#ff6b6b;
  --blue:#4cc9f0;
  --yellow:#ffd166;
  --purple:#b48cff;
  --grad:linear-gradient(120deg,var(--green),var(--blue) 45%,var(--purple));
  --grad-soft:linear-gradient(120deg,rgba(61,220,132,.16),rgba(76,201,240,.16) 45%,rgba(180,140,255,.16));
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 20px 60px -20px rgba(0,0,0,.65);
  --font-display:"Space Grotesk",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-body:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --maxw:1160px;
  --nav-h:66px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}
body{
  overflow-x:hidden;
  font-family:var(--font-body);
  background:radial-gradient(1200px 600px at 85% -10%,rgba(61,220,132,.10),transparent 60%),
             radial-gradient(1000px 520px at -10% 10%,rgba(76,201,240,.10),transparent 55%),
             var(--bg);
  color:var(--text);
  line-height:1.65;
  min-height:100vh;
}
::selection{background:rgba(61,220,132,.35);color:#fff}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--green)}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  background:rgba(10,14,20,.72);
  border-bottom:1px solid var(--border);
}
.header-inner{height:var(--nav-h);display:flex;align-items:center;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:1.06rem;color:var(--text);letter-spacing:.2px}
.logo:hover{color:var(--text)}
.logo .mark{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;color:#0a0e14;box-shadow:0 6px 18px -6px rgba(76,201,240,.6)}
.logo .mark svg{width:30px;height:30px;display:block}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav a{color:var(--muted);font-size:.92rem;font-weight:500;padding:8px 11px;border-radius:10px;transition:.18s;display:inline-flex;align-items:center;gap:6px}
.nav-ic{width:15px;height:15px;display:inline-flex}
.nav-ic svg{width:15px;height:15px}
.nav a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav a.active{color:var(--text);background:rgba(255,255,255,.08)}
.nav a.cta{background:var(--grad);color:#0a0e14;font-weight:700}
.nav a.cta:hover{filter:brightness(1.08);color:#0a0e14}
@media (max-width:760px){
  .header-inner{height:auto;min-height:var(--nav-h);flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
  .nav{order:3;width:100%;overflow-x:auto;gap:2px;padding-bottom:2px;-webkit-overflow-scrolling:touch}
  .nav a{white-space:nowrap}
}

/* ---------- Hero ---------- */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding:64px 0 46px}
.badge{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:600;color:var(--green);background:rgba(61,220,132,.12);border:1px solid rgba(61,220,132,.28);padding:6px 14px;border-radius:999px;margin-bottom:18px;letter-spacing:.3px}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 rgba(61,220,132,.5);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(61,220,132,.5)}70%{box-shadow:0 0 0 9px rgba(61,220,132,0)}100%{box-shadow:0 0 0 0 rgba(61,220,132,0)}}
.hero h1{font-family:var(--font-display);font-size:clamp(2.1rem,5vw,3.5rem);line-height:1.08;letter-spacing:-.02em;margin-bottom:18px}
.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{color:var(--muted);font-size:1.07rem;max-width:54ch;margin-bottom:26px}
.stats{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.stat{display:flex;flex-direction:column;gap:1px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 15px;min-width:96px}
.stat b{font-family:var(--font-display);font-size:1.15rem;color:var(--text)}
.stat span{font-size:.74rem;color:var(--muted-2);text-transform:uppercase;letter-spacing:.4px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.95rem;padding:12px 22px;border-radius:12px;transition:.18s;border:1px solid transparent}
.btn-primary{background:var(--grad);color:#0a0e14;box-shadow:0 12px 30px -12px rgba(61,220,132,.55)}
.btn-primary:hover{color:#0a0e14;transform:translateY(-1px);filter:brightness(1.07)}
.btn-ghost{color:var(--text);border-color:var(--border-strong);background:rgba(255,255,255,.02)}
.btn-ghost:hover{background:rgba(255,255,255,.06);color:var(--text)}
.hero-media{position:relative}
.hero-img{position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--border-strong);box-shadow:var(--shadow);aspect-ratio:16/9}
.hero-img img{width:100%;height:100%;object-fit:cover;display:block}
.hero-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(10,14,20,.55));pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(34px);opacity:.5;z-index:-1;pointer-events:none}
.blob.g{width:220px;height:220px;background:rgba(61,220,132,.5);top:-40px;right:-30px}
.blob.b{width:180px;height:180px;background:rgba(76,201,240,.5);bottom:-30px;left:-40px}
.floating{animation:float 7s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@media (max-width:900px){
  .hero{grid-template-columns:1fr;padding:40px 0 30px;gap:28px}
  .hero-media{order:-1}
}

/* ---------- Sections ---------- */
.section{padding:38px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:22px}
.section-head h2{font-family:var(--font-display);font-size:clamp(1.4rem,2.6vw,1.85rem);letter-spacing:-.01em}
.section-head .kicker{font-size:.78rem;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--green);margin-bottom:6px}
.section-head p{color:var(--muted);max-width:56ch}
.card{background:linear-gradient(180deg,var(--surface),rgba(20,28,40,.6));border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.card h2{font-family:var(--font-display);font-size:1.3rem;margin-bottom:12px}
.card h3{font-family:var(--font-display);font-size:1.05rem;margin:18px 0 8px}
.card p{color:var(--muted)}
.card p + p{margin-top:10px}

/* Guide card grid */
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.guide-card{position:relative;display:flex;flex-direction:column;gap:10px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;color:var(--text);overflow:hidden;transition:.22s}
.guide-card::before{content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:0;transition:.22s}
.guide-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:0 24px 50px -24px rgba(0,0,0,.8);color:var(--text)}
.guide-card:hover::before{opacity:1}
.guide-card .icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;color:#0a0e14}
.guide-card .icon svg{width:22px;height:22px}
.guide-card h3{font-family:var(--font-display);font-size:1.05rem;position:relative}
.guide-card p{font-size:.9rem;color:var(--muted);position:relative}
.guide-card .arrow{position:absolute;right:18px;top:20px;color:var(--muted-2);transition:.22s}
.guide-card:hover .arrow{color:var(--green);transform:translateX(3px)}
.ic-green{background:linear-gradient(135deg,#3ddc84,#22c55e)}
.ic-coral{background:linear-gradient(135deg,#ff6b6b,#f43f5e)}
.ic-blue{background:linear-gradient(135deg,#4cc9f0,#38bdf8)}
.ic-yellow{background:linear-gradient(135deg,#ffd166,#fbbf24)}
.ic-purple{background:linear-gradient(135deg,#b48cff,#8b5cf6)}
@media (max-width:960px){.guide-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.guide-grid{grid-template-columns:1fr}}

/* FAQ details */
details.faq{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);margin-bottom:10px;overflow:hidden;transition:.2s}
details.faq[open]{border-color:var(--border-strong);background:var(--surface-2)}
details.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center;padding:15px 18px;font-weight:600;color:var(--text)}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary .pm{flex:0 0 auto;width:22px;height:22px;border-radius:7px;background:var(--grad);color:#0a0e14;display:grid;place-items:center;font-size:14px;font-weight:800;transition:.2s}
details.faq[open] summary .pm{transform:rotate(45deg)}
details.faq .faq-a{padding:0 18px 16px;color:var(--muted)}

/* Tables */
.tbl-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius-sm)}
table{width:100%;border-collapse:collapse;font-size:.93rem}
th{font-family:var(--font-display);text-align:left;font-size:.8rem;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);padding:13px 16px;border-bottom:1px solid var(--border-strong);background:rgba(255,255,255,.02);white-space:nowrap}
td{padding:13px 16px;border-bottom:1px solid var(--border);color:var(--muted);vertical-align:top}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover td{background:rgba(255,255,255,.025)}
td strong,td b{color:var(--text)}

/* Lists */
ul.steps,ul.checks,ol.steps{list-style:none;display:grid;gap:10px;margin-top:12px}
ol.steps{counter-reset:step}
ol.steps li{counter-increment:step;display:flex;gap:12px;align-items:flex-start;color:var(--muted)}
ol.steps li::before{content:counter(step);flex:0 0 auto;width:24px;height:24px;border-radius:8px;background:var(--grad);color:#0a0e14;font-weight:800;font-size:.8rem;display:grid;place-items:center;margin-top:2px}
ul.checks li{position:relative;padding-left:26px;color:var(--muted)}
ul.checks li::before{content:"✓";position:absolute;left:0;top:0;color:var(--green);font-weight:800}
li+li{margin-top:0}

/* Sources box */
.sources{margin-top:24px;padding:16px 18px;border:1px dashed var(--border-strong);border-radius:var(--radius-sm);background:rgba(255,255,255,.02)}
.sources b{font-size:.8rem;text-transform:uppercase;letter-spacing:.6px;color:var(--green);display:block;margin-bottom:6px}
.sources ul{list-style:none;color:var(--muted);font-size:.88rem}
.sources li{padding-left:16px;position:relative}
.sources li::before{content:"•";position:absolute;left:0;color:var(--blue)}

/* Breadcrumb + article */
.crumbs{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--muted-2);padding:22px 0 6px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--green)}
.crumbs span{color:var(--muted)}
article{max-width:820px}
article h1{font-family:var(--font-display);font-size:clamp(1.7rem,3.6vw,2.5rem);letter-spacing:-.02em;line-height:1.15;margin-bottom:12px}
.lead{color:var(--muted);font-size:1.06rem}
.intro{color:var(--muted);margin:10px 0 22px}
.page-hero{border:1px solid var(--border);border-radius:var(--radius);padding:26px;margin-bottom:22px;background:linear-gradient(120deg,rgba(61,220,132,.08),rgba(76,201,240,.08))}
.related{grid-column:1/-1}
.related ul{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:8px}
.related a{display:block;padding:10px 14px;border:1px solid var(--border);border-radius:10px;color:var(--muted);font-size:.9rem;transition:.18s}
.related a:hover{color:var(--text);border-color:var(--border-strong);background:rgba(255,255,255,.04)}

/* Footer */
.site-footer{border-top:1px solid var(--border);margin-top:60px;background:rgba(8,11,16,.6)}
.footer-inner{padding:38px 0 30px;display:grid;gap:22px}
.footer-top{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700}
.footer-brand .mark{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;color:#0a0e14}
.footer-brand .mark svg{width:26px;height:26px}
.footer-links{display:flex;gap:16px;flex-wrap:wrap}
.footer-links a{color:var(--muted);font-size:.9rem}
.footer-links a:hover{color:var(--green)}
.footer-meta{color:var(--muted-2);font-size:.82rem;line-height:1.7}
.disclaimer{color:var(--muted-2);font-size:.78rem;border-top:1px solid var(--border);padding-top:16px}

/* Misc */
.back-top{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:13px;background:var(--surface-2);border:1px solid var(--border-strong);color:var(--text);display:grid;place-items:center;z-index:40;opacity:.9;transition:.2s}
.back-top svg{width:20px;height:20px}
.back-top:hover{background:var(--grad);color:#0a0e14}
.article-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:1000px){.article-grid{grid-template-columns:1fr 300px;align-items:start}.related{position:sticky;top:calc(var(--nav-h) + 16px)}}

.page-hero .icon svg{width:26px;height:26px}

:where(a, button, summary, [role="button"]):focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:6px}
.guide-card, .btn, .back-top, .nav a, details.faq summary, .footer-links a, .crumbs a, .related a{cursor:pointer}