/* FA Club — AI Agent Tech Theme | Layout Optimized */
:root{
  --bg:#080c14;--bg2:#0d1220;--bg3:#111827;--card:#151d2e;
  --cyan:#00d4ff;--cyan2:#00b4d8;--blue:#3b82f6;--purple:#8b5cf6;
  --text:#e2e8f0;--text2:#94a3b8;--text3:#64748b;
  --border:#1e293b;--border2:#334155;--gold:#f59e0b;
  --fs-xs:.7rem;--fs-sm:.82rem;--fs-base:.95rem;--fs-md:1.1rem;--fs-lg:1.35rem;--fs-xl:1.8rem;--fs-2xl:2.4rem;--fs-3xl:3rem;
  --space:24px;--section:100px;--content:1040px;--nav-h:64px;
  --font-display:'SF Mono','Fira Code','JetBrains Mono',monospace;
  --font-body:-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;
  --glow:0 0 20px rgba(0,212,255,.15),0 0 60px rgba(0,212,255,.05);
  --radius:8px;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{font-size:16px;scroll-behavior:smooth;background:var(--bg);-webkit-tap-highlight-color:transparent}
body{font-family:var(--font-body);color:var(--text);line-height:1.7;background:var(--bg);min-height:100vh;overflow-x:hidden}
a{color:var(--cyan);text-decoration:none}
button{cursor:pointer;border:none;background:none;font:inherit;color:inherit;touch-action:manipulation}
input,select,textarea{font:inherit;font-size:16px;background:var(--bg2);border:1px solid var(--border);color:var(--text);padding:12px 16px;border-radius:4px;outline:none;transition:border-color .2s}
input:focus,select:focus,textarea:focus{border-color:var(--cyan);box-shadow:var(--glow)}

/* Data Flow BG */
body::before{content:'';position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(circle at 20% 30%,rgba(0,212,255,.04) 0%,transparent 50%),
    radial-gradient(circle at 80% 70%,rgba(139,92,246,.04) 0%,transparent 50%),
    linear-gradient(rgba(0,212,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,212,255,.03) 1px,transparent 1px);
  background-size:100% 100%,100% 100%,50px 50px,50px 50px;
  animation:gridMove 20s linear infinite;
}
body::after{content:'';position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(2px 2px at 15% 25%,rgba(0,212,255,.6),transparent),
    radial-gradient(2px 2px at 45% 55%,rgba(59,130,246,.5),transparent),
    radial-gradient(1px 1px at 65% 35%,rgba(139,92,246,.5),transparent),
    radial-gradient(2px 2px at 85% 75%,rgba(0,212,255,.4),transparent),
    radial-gradient(1px 1px at 30% 80%,rgba(59,130,246,.5),transparent),
    radial-gradient(2px 2px at 75% 15%,rgba(139,92,246,.4),transparent),
    radial-gradient(1px 1px at 55% 70%,rgba(0,212,255,.5),transparent),
    radial-gradient(2px 2px at 10% 60%,rgba(59,130,246,.3),transparent);
  background-size:200% 200%;
  animation:dotsFloat 15s ease-in-out infinite;
}
@keyframes gridMove{0%{background-position:0 0,0 0,0 0,0 0}100%{background-position:0 0,0 0,50px 50px,50px 50px}}
@keyframes dotsFloat{0%,100%{background-position:0% 0%}25%{background-position:100% 0%}50%{background-position:100% 100%}75%{background-position:0% 100%}}

/* ===== NAV ===== */
#top-nav{position:fixed;top:0;left:0;width:100%;z-index:100;height:var(--nav-h);background:rgba(8,12,20,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}
.nav-inner{max-width:var(--content);margin:0 auto;height:100%;display:flex;align-items:center;justify-content:space-between;padding:0 var(--space)}
.nav-brand{font-family:var(--font-display);font-size:1.2rem;font-weight:700;color:var(--cyan);letter-spacing:.08em;cursor:pointer}
.nav-brand span{color:var(--text)}
.nav-links{display:flex;gap:2px}
.nav-links a{padding:8px 14px;font-size:var(--fs-sm);color:var(--text2);border-radius:4px;transition:all .2s}
.nav-links a:hover,.nav-links a.active{color:var(--cyan);background:rgba(0,212,255,.06)}
.nav-cta{padding:8px 20px;font-size:var(--fs-sm);color:var(--cyan);border:1px solid var(--cyan);border-radius:4px;transition:all .2s;font-weight:500}
.nav-cta:hover{background:var(--cyan);color:var(--bg)}
.hamburger{display:none;flex-direction:column;gap:5px;padding:8px;z-index:101}
.hamburger span{display:block;width:22px;height:1.5px;background:var(--text);transition:all .3s}

/* Mobile overlay */
#mobile-overlay{position:fixed;inset:0;background:rgba(8,12,20,.98);z-index:99;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .3s}
#mobile-overlay.open{opacity:1;pointer-events:auto}
#mobile-overlay nav{display:flex;flex-direction:column;align-items:center;gap:20px}
#mobile-overlay a{font-family:var(--font-display);font-size:var(--fs-lg);color:var(--text)}
#mobile-overlay a:hover{color:var(--cyan)}

/* ===== PAGES ===== */
.page{display:none;position:relative;z-index:1;padding-top:var(--nav-h)}
.page.active{display:block}

/* ===== HERO (optimized: shorter + bottom glow) ===== */
.hero{min-height:70vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:var(--space);position:relative}
.hero::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60%;height:1px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:.3}
.hero h1{font-family:var(--font-display);font-size:clamp(2rem,5vw,var(--fs-3xl));color:var(--text);line-height:1.1;margin-bottom:16px;letter-spacing:.02em}
.hero h1 span{background:linear-gradient(135deg,var(--cyan),var(--blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero .sub{font-size:var(--fs-md);color:var(--text2);margin-bottom:8px}
.hero .tag{font-size:var(--fs-sm);color:var(--text3);margin-bottom:36px;letter-spacing:.08em;font-family:var(--font-display);max-width:500px;margin-left:auto;margin-right:auto}
.hero-line{width:40px;height:2px;background:linear-gradient(90deg,var(--cyan),var(--purple));margin:0 auto 36px}

/* ===== BUTTONS ===== */
.btn{padding:12px 32px;font-size:var(--fs-base);font-weight:500;border-radius:4px;transition:all .2s;display:inline-block}
.btn-primary{background:linear-gradient(135deg,var(--cyan),var(--cyan2));color:var(--bg);box-shadow:0 4px 20px rgba(0,212,255,.25)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 30px rgba(0,212,255,.35)}
.btn-outline{border:1px solid var(--cyan);color:var(--cyan);background:transparent}
.btn-outline:hover{background:rgba(0,212,255,.1);box-shadow:var(--glow)}
.btn-lg{padding:16px 48px;font-size:var(--fs-md)}
.btn-sm{padding:8px 20px;font-size:var(--fs-sm)}

/* ===== SECTIONS ===== */
.section{padding:var(--section) max(5vw,var(--space));position:relative;z-index:1}
.section-alt{background:var(--bg2);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-inner{max-width:var(--content);margin:0 auto}

/* Section labels & titles */
.sec-label{font-size:var(--fs-xs);color:var(--cyan);text-transform:uppercase;letter-spacing:.15em;text-align:center;margin-bottom:8px;font-family:var(--font-display)}
.sec-title{font-family:var(--font-display);font-size:var(--fs-xl);text-align:center;margin-bottom:12px;color:var(--text);letter-spacing:.02em}
.sec-line{width:30px;height:2px;background:linear-gradient(90deg,var(--cyan),transparent);margin:0 auto 48px}

/* ===== STATS (optimized: card layout + number scale) ===== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space);text-align:center}
.stats > div{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:32px 16px;transition:transform .3s}
.stats > div:hover{transform:translateY(-2px);border-color:var(--border2)}
.stat-num{font-family:var(--font-display);font-size:clamp(1.8rem,4vw,3rem);background:linear-gradient(135deg,var(--cyan),var(--blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1;font-weight:700}
.stat-label{font-size:var(--fs-sm);color:var(--text2);margin-top:8px}

/* ===== BENEFITS (optimized: 3-col balanced grid) ===== */
.benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:900px;margin:0 auto}
.benefit{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;border-left:3px solid var(--cyan);transition:all .3s;display:flex;flex-direction:column}
.benefit:hover{border-left-color:var(--blue);box-shadow:var(--glow);transform:translateY(-2px)}
.benefit h4{font-size:var(--fs-md);color:var(--text);margin-bottom:8px;font-family:var(--font-display);letter-spacing:.04em}
.benefit p{font-size:var(--fs-sm);color:var(--text2);line-height:1.7;flex:1}

/* ===== CARD GRID (optimized: fixed columns + equal height) ===== */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--border);padding:36px 28px;border-radius:var(--radius);transition:all .3s;position:relative;overflow:hidden;display:flex;flex-direction:column;height:100%}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:0;transition:opacity .3s}
.card:hover{border-color:var(--border2);transform:translateY(-3px);box-shadow:var(--glow)}
.card:hover::before{opacity:1}
.card-icon{font-size:2.5rem;margin-bottom:20px;line-height:1}
.card h3{font-size:var(--fs-md);margin-bottom:10px;color:var(--text);font-family:var(--font-display);letter-spacing:.04em}
.card p{font-size:var(--fs-sm);color:var(--text2);line-height:1.8;flex:1}

/* Price */
.price-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;align-items:start}
.price-card{background:var(--card);border:2px solid var(--cyan);padding:48px 32px;text-align:center;border-radius:12px;box-shadow:var(--glow)}
.price-card::before{content:'';position:absolute;inset:-1px;border-radius:12px;padding:1px;background:linear-gradient(135deg,var(--cyan),var(--purple));-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.price-card .amount{font-family:var(--font-display);font-size:clamp(2.4rem,6vw,3.6rem);background:linear-gradient(135deg,var(--cyan),var(--blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1;font-weight:700}
.price-card .amount span{font-size:var(--fs-lg);color:var(--text2);-webkit-text-fill-color:var(--text2);font-weight:400}
.price-card .unit{font-size:var(--fs-sm);color:var(--text3);margin:10px 0 32px}
.price-card .perks{text-align:left;margin-bottom:36px}
.price-card .perks li{font-size:var(--fs-sm);padding:12px 0;border-bottom:1px solid var(--border);color:var(--text2);list-style:none;display:flex;align-items:baseline;gap:8px}
.price-card .perks li::before{content:'▸';color:var(--cyan);flex-shrink:0}
.price-card .perks li strong{color:var(--text);font-weight:600}

/* ===== CTA STRIP (optimized: gradient top line) ===== */
.cta-strip{background:var(--bg3);text-align:center;padding:80px var(--space);position:relative}
.cta-strip::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:200px;height:1px;background:linear-gradient(90deg,transparent,var(--cyan),transparent)}
.cta-strip h2{font-family:var(--font-display);font-size:var(--fs-xl);margin-bottom:12px}
.cta-strip p{color:var(--text2);margin-bottom:28px;font-size:var(--fs-sm);max-width:400px;margin-left:auto;margin-right:auto}

/* ===== FORM (optimized: grouped fields + visual rhythm) ===== */
.form{max-width:560px;margin:0 auto}
.form-group{margin-bottom:24px}
.form-group label{display:block;font-size:var(--fs-sm);color:var(--cyan);margin-bottom:8px;font-family:var(--font-display);letter-spacing:.04em}
.form-group input,.form-group select,.form-group textarea{width:100%}
.form-group textarea{resize:vertical;min-height:120px}
.form-group input[type=checkbox]{width:auto;accent-color:var(--cyan)}

/* ===== FAQ (optimized: better spacing) ===== */
.faq-item{border-bottom:1px solid var(--border);cursor:pointer;padding:4px 0}
.faq-q{padding:18px 0;font-size:var(--fs-base);display:flex;justify-content:space-between;align-items:center;font-weight:500}
.faq-q::after{content:'+';font-size:1.2rem;color:var(--cyan);transition:transform .3s}
.faq-item.open .faq-q::after{content:'−';transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-item.open .faq-a{max-height:300px}
.faq-a p{padding:0 0 20px;font-size:var(--fs-sm);color:var(--text2);line-height:1.8}

/* ===== BRAND PILLARS (optimized: connected visual) ===== */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pillar-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:40px 28px;text-align:center;transition:all .3s;position:relative}
.pillar-card:hover{transform:translateY(-3px);box-shadow:var(--glow)}
.pillar-card .pillar-icon{font-size:3rem;margin-bottom:20px;line-height:1}
.pillar-card .pillar-word{font-family:var(--font-display);font-size:1.6rem;margin-bottom:2px;letter-spacing:.06em}
.pillar-card .pillar-phonetic{font-size:var(--fs-xs);color:var(--text3);margin-bottom:16px;font-family:var(--font-display);letter-spacing:.12em}
.pillar-card .pillar-line{width:24px;height:1px;margin:0 auto 16px;opacity:.4}
.pillar-card .pillar-desc{font-size:var(--fs-base);color:var(--text2);line-height:2}

/* ===== ROADMAP — card grid with phase accent & connectors ===== */
.roadmap{display:grid;grid-template-columns:repeat(3,1fr);gap:0;position:relative;margin-top:8px}
.roadmap::after{content:'';position:absolute;top:28px;left:calc(100%/6);right:calc(100%/6);height:2px;background:linear-gradient(90deg,var(--cyan),var(--blue),var(--purple));z-index:0;border-radius:1px}
.roadmap-item{position:relative;z-index:1;padding:0 20px;text-align:center}
.roadmap-dot{width:14px;height:14px;border-radius:50%;margin:0 auto 28px;position:relative;z-index:2;border:2px solid var(--bg2)}
.roadmap-dot.c0{background:var(--cyan);box-shadow:0 0 12px rgba(0,212,255,.5)}
.roadmap-dot.c1{background:var(--blue);box-shadow:0 0 12px rgba(59,130,246,.5)}
.roadmap-dot.c2{background:var(--purple);box-shadow:0 0 12px rgba(139,92,246,.5)}
.roadmap-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:32px 24px;transition:all .3s;position:relative;overflow:hidden}
.roadmap-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px}
.roadmap-item:nth-child(1) .roadmap-card::before{background:var(--cyan)}
.roadmap-item:nth-child(2) .roadmap-card::before{background:var(--blue)}
.roadmap-item:nth-child(3) .roadmap-card::before{background:var(--purple)}
.roadmap-card:hover{transform:translateY(-3px);box-shadow:var(--glow);border-color:var(--border2)}
.roadmap-card .rp-phase{font-family:var(--font-display);font-size:var(--fs-md);letter-spacing:.06em;margin-bottom:6px}
.roadmap-card h4{font-size:var(--fs-md);color:var(--text);margin-bottom:10px;font-weight:600}
.roadmap-card p{font-size:var(--fs-sm);color:var(--text2);line-height:2}

/* ===== FOUNDER — centered panel layout ===== */
.founder-panel{max-width:700px;margin:0 auto;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:48px 40px;text-align:center;position:relative;overflow:hidden}
.founder-panel::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--cyan),transparent)}
.founder-head{display:flex;align-items:center;justify-content:center;gap:28px;margin-bottom:28px;flex-wrap:wrap}
.founder-avatar{width:100px;height:100px;border-radius:50%;background:var(--bg2);border:3px solid var(--cyan);display:flex;align-items:center;justify-content:center;font-size:2.5rem;flex-shrink:0;box-shadow:0 0 24px rgba(0,212,255,.2)}
.founder-name-block{text-align:left}
.founder-name-block h3{font-family:var(--font-display);font-size:2rem;color:var(--text);margin-bottom:4px;letter-spacing:.06em;line-height:1.2}
.founder-name-block .founder-sub{font-size:var(--fs-sm);color:var(--cyan);letter-spacing:.08em;font-family:var(--font-display)}
.founder-divider{width:40px;height:1px;background:linear-gradient(90deg,var(--cyan),var(--purple));margin:0 auto 28px}
.founder-bio{font-size:var(--fs-base);color:var(--text2);line-height:2;max-width:520px;margin:0 auto 24px}
.tag-pills{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.tag-pill{font-size:var(--fs-sm);color:var(--text2);background:var(--bg2);padding:8px 18px;border:1px solid var(--border);border-radius:20px;white-space:nowrap;transition:all .2s}
.tag-pill:hover{border-color:var(--cyan);color:var(--cyan)}

/* ===== COMPLIANCE (optimized: icon-top cards) ===== */
.compliance-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.compliance-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:36px 24px;text-align:center;transition:all .3s}
.compliance-card:hover{transform:translateY(-2px);box-shadow:var(--glow)}
.compliance-card .comp-icon{font-size:2.2rem;margin-bottom:14px;line-height:1}
.compliance-card h4{font-size:var(--fs-base);margin-bottom:10px;font-family:var(--font-display);letter-spacing:.06em;font-weight:600}
.compliance-card .comp-line{width:20px;height:1px;margin:0 auto 14px;opacity:.3}
.compliance-card p{font-size:var(--fs-sm);color:var(--text2);line-height:1.9}

/* ===== FOOTER ===== */
footer{background:var(--bg);border-top:1px solid var(--border);padding:var(--section) var(--space);font-size:var(--fs-sm);position:relative;z-index:1}
.footer-inner{max-width:var(--content);margin:0 auto;display:grid;grid-template-columns:2fr 1fr;gap:var(--space)}
footer h4{font-family:var(--font-display);color:var(--cyan);margin-bottom:12px;font-size:var(--fs-base);letter-spacing:.06em}
footer a{color:var(--text3);display:block;padding:4px 0;font-size:var(--fs-sm)}
footer a:hover{color:var(--cyan)}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid var(--border);text-align:center;color:var(--text3);font-size:var(--fs-xs)}

/* ===== TOAST ===== */
#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:999;display:flex;flex-direction:column;gap:8px;pointer-events:none}

/* ===== RESPONSIVE ===== */
@media(max-width:768px){
  :root{--section:64px;--nav-h:56px}
  .hamburger{display:flex}
  .nav-links,.nav-cta{display:none}
  .hero{min-height:50vh;padding:32px 20px}
  .hero h1{font-size:2rem}
  .stats{grid-template-columns:repeat(2,1fr);gap:12px}
  .stats > div{padding:24px 12px}
  .stat-num{font-size:1.8rem}
  .benefits{grid-template-columns:1fr;gap:12px;max-width:100%}
  .grid-2,.grid-3{grid-template-columns:1fr;gap:16px}
  .card-grid{grid-template-columns:1fr;gap:16px}
  .roadmap{grid-template-columns:1fr;gap:32px}
  .roadmap::after{top:auto;bottom:auto;left:7px;right:auto;width:2px;height:calc(100% - 56px);transform:none}
  .roadmap-item{text-align:left;padding:0 0 0 36px}
  .roadmap-dot{position:absolute;left:0;top:0;margin:0}
  .founder-head{flex-direction:column;gap:20px}
  .founder-name-block{text-align:center}
  .tag-pills{justify-content:center}
  .compliance-grid{grid-template-columns:1fr;gap:12px}
  .footer-inner{grid-template-columns:1fr;gap:32px}
  .price-card{padding:40px 24px}
  .price-card .amount{font-size:2.4rem}
  .btn-lg{padding:14px 32px;font-size:var(--fs-base)}
  .form-group input,.form-group select,.form-group textarea{padding:14px 12px}
  .tag-pill{font-size:var(--fs-xs);padding:5px 12px}
}
@media(max-width:480px){
  :root{--section:48px}
  .hero{min-height:40vh;padding:24px 16px}
  .section{padding:var(--section) 16px}
  .stats{grid-template-columns:1fr 1fr;gap:8px}
  .stat-num{font-size:1.5rem}
  .btn-lg{display:block;width:100%}
  .hero .btn{margin:6px 0;display:block}
  .price-card{padding:32px 20px}
  .price-card .amount{font-size:2rem}
  .tag-pill{width:100%;text-align:center}
}