:root{--brand:#243A74;--accent:#3FA4E3;--cyan:#00E5FF;--bg:#0F172A;--bg2:#111827;--bg3:#1a2236;--border:rgba(63,164,227,0.13);--border2:rgba(63,164,227,0.28);--text:#F3F4F6;--text2:#9CA3AF}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-text-size-adjust:100%}
a{color:inherit;text-decoration:none}

/* ══ CANVAS ══ */
#bgCanvas{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:0}
body>*:not(#bgCanvas){position:relative;z-index:1}

/* ══ NAV ══ */
nav.main-nav{display:flex;align-items:center;justify-content:space-between;padding:.85rem 6%;position:sticky;top:0;z-index:9999;background:var(--brand);border-bottom:1px solid rgba(255,255,255,0.07);gap:12px}
.logo{display:flex;align-items:center;flex-shrink:0}
.logo a{display:flex;align-items:center;cursor:pointer}
.nl{display:flex;gap:1.6rem;font-size:.84rem;color:rgba(255,255,255,0.7)}
.nl a:hover{color:#fff}
.nr{display:flex;align-items:center;gap:.6rem;flex-shrink:0}
.btn-nav{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:.45rem 1.1rem;font-size:.82rem;font-weight:600;cursor:pointer;font-family:inherit}
.btn-nav:hover{opacity:.88}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:none;border:none}
.burger span{display:block;width:22px;height:2px;background:rgba(255,255,255,0.7);border-radius:2px;transition:.25s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mob{display:none!important;flex-direction:column;background:var(--brand);border-bottom:1px solid rgba(255,255,255,0.08)}
.mob.open{display:flex!important}
.mob a{padding:.8rem 6%;font-size:.88rem;color:rgba(255,255,255,0.75);border-bottom:1px solid rgba(255,255,255,0.07)}
.mob a:hover{color:#fff;background:rgba(255,255,255,0.05)}

/* ══ BREADCRUMB ══ */
.breadcrumb{padding:.75rem 6%;font-size:.78rem;color:var(--text2);background:var(--bg2);border-bottom:1px solid var(--border)}
.breadcrumb a{color:var(--accent)}
.breadcrumb span{margin:0 .4rem;opacity:.4}

/* ══ HERO ══ */
.hero-sp-wrap{position:relative;overflow:hidden;background:var(--bg)}
.hero-sp-wrap::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 80% at 10% 50%,rgba(0,229,255,0.07),transparent),radial-gradient(ellipse 50% 60% at 80% 20%,rgba(63,164,227,0.09),transparent);pointer-events:none}
.hero-sp{padding:5rem 6% 4.5rem;max-width:900px;position:relative}
.lbl{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);background:rgba(63,164,227,0.1);border:1px solid rgba(63,164,227,0.25);border-radius:999px;padding:.25rem .85rem;margin-bottom:1.25rem}
h1{font-size:clamp(2rem,4vw,3rem);font-weight:800;line-height:1.15;letter-spacing:-1px;margin-bottom:1.25rem}
h1 span{background:linear-gradient(90deg,var(--accent),var(--cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sp p{font-size:1.05rem;color:var(--text2);max-width:620px;margin-bottom:2rem}
.cta-row{display:flex;gap:1rem;flex-wrap:wrap}
.btn-primary{background:var(--accent);color:#fff;border:none;border-radius:10px;padding:.75rem 1.75rem;font-size:.95rem;font-weight:600;cursor:pointer;font-family:inherit;box-shadow:0 0 18px rgba(63,164,227,0.35);transition:transform .15s,box-shadow .2s}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 30px rgba(63,164,227,0.55)}
.btn-secondary{background:transparent;color:var(--text);border:1px solid var(--border2);border-radius:10px;padding:.75rem 1.75rem;font-size:.95rem;font-weight:600;cursor:pointer;font-family:inherit;transition:border-color .2s,color .2s}
.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}

/* ══ SECTIONS ══ */
.sec{padding:5rem 6%}
.sec-alt{padding:5rem 6%;background:var(--bg2)}
h2{text-align:center;font-size:clamp(1.4rem,2.5vw,1.9rem);font-weight:800;letter-spacing:-.5px;margin-bottom:1rem}
h2 span{background:linear-gradient(90deg,var(--accent),var(--cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.sub{text-align:center;color:var(--text2);margin:0 auto 2.5rem;max-width:580px}

/* ══ CARDS ══ */
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.25rem}
.card{background:rgba(17,24,39,0.75);border:1px solid var(--border);border-radius:14px;padding:1.5rem;backdrop-filter:blur(4px);transition:border-color .2s,transform .2s,box-shadow .2s}
.card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 8px 32px rgba(63,164,227,0.12)}
.card-link{display:block;color:inherit;text-decoration:none}
.card h3{font-size:1rem;font-weight:700;margin-bottom:.5rem;color:#fff}
.card p{font-size:.875rem;color:var(--text2);line-height:1.6}
.card .arr,.card-link .arr{color:var(--accent);font-size:.84rem;font-weight:700;display:inline-block;margin-top:1rem}
.tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}
.tag{background:rgba(63,164,227,0.1);border:1px solid rgba(63,164,227,0.2);border-radius:6px;padding:.2rem .65rem;font-size:.75rem;color:var(--accent);font-weight:500}

/* ══ STEPS ══ */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;counter-reset:step}
.step{background:rgba(17,24,39,0.75);border:1px solid var(--border);border-radius:12px;padding:1.25rem;counter-increment:step;backdrop-filter:blur(4px);transition:border-color .2s,transform .2s}
.step:hover{border-color:rgba(63,164,227,0.4);transform:translateY(-2px)}
.step::before{content:counter(step);font-size:1.6rem;font-weight:800;color:rgba(63,164,227,0.2);display:block;margin-bottom:.5rem}
.step h4{font-size:.9rem;font-weight:700;margin-bottom:.35rem}
.step p{font-size:.8rem;color:var(--text2)}

/* ══ FAQ ══ */
.faq-item{border-bottom:1px solid var(--border);padding:1rem 0}
.faq-q{display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-weight:600;font-size:.92rem;gap:1rem}
.faq-a{font-size:.87rem;color:var(--text2);max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease}
.faq-item.open .faq-a{max-height:300px;padding-top:.65rem}
.faq-icon{width:20px;height:20px;border-radius:50%;border:1px solid var(--border2);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--accent);font-size:.85rem;transition:transform .25s}
.faq-item.open .faq-icon{transform:rotate(45deg)}

/* ══ RELATED ══ */
.related{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}
.rel-card{background:rgba(17,24,39,0.75);border:1px solid var(--border);border-radius:12px;padding:1.25rem;backdrop-filter:blur(4px);transition:border-color .2s,transform .2s}
.rel-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.rel-card h4{font-size:.9rem;font-weight:700;margin-bottom:.4rem}
.rel-card p{font-size:.8rem;color:var(--text2)}
.rel-card .arr{color:var(--accent);font-size:.85rem;margin-top:.75rem;display:block}

/* ══ CTA BAND ══ */
.cta-band{background:linear-gradient(135deg,var(--brand),#1a3a6e);border:1px solid rgba(63,164,227,0.2);border-radius:16px;padding:3rem;text-align:center;margin:0 6% 4rem}
.cta-band h2{margin-bottom:.75rem}
.cta-band p{color:var(--text2);margin-bottom:1.75rem;max-width:480px;margin-left:auto;margin-right:auto}

/* ══ FOOTER ══ */
footer{padding:2rem 6%;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem}
.foot-links{display:flex;gap:1.5rem;font-size:.8rem;color:var(--text2)}
.foot-links a:hover{color:#fff}
.foot-copy{font-size:.8rem;color:var(--text2)}

/* ══ RESPONSIVE ══ */
@media(max-width:768px){
  .nl{display:none}
  .burger{display:flex}
  .cta-band{padding:2rem 1.5rem}
}
@media(max-width:480px){
  .grid-3{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}