/* Yao Great — Lime (#65a30d) + Teal (#14b8a6) on Dark — Unique */
:root {
  --bg-primary: #0b0e0a;
  --bg-secondary: #0f120e;
  --bg-card: #121612;
  --bg-hover: #181d16;
  --border-color: #1e241e;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --primary: #65a30d;
  --primary-hover: #4d7d0b;
  --primary-dim: rgba(101,163,13,0.12);
  --primary-glow: rgba(101,163,13,0.3);
  --accent: #14b8a6;
  --accent-hover: #0d9488;
  --accent-dim: rgba(20,184,166,0.1);
  --success: #84cc16;
  --error: #ef4444;
  --max-width: 1200px;
  --header-height: 72px;
  --radius: 12px;
  --radius-sm: 8px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}
header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(11,14,10,.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(30,36,30,.5);height:var(--header-height)}
.header-inner{max-width:var(--max-width);margin:0 auto;padding:0 24px;height:100%;display:flex;align-items:center;justify-content:space-between}
.logo{font-size:1.5rem;font-weight:700;color:var(--text-primary);text-decoration:none;display:flex;align-items:center;gap:10px}
.logo-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;font-weight:800;color:#fff}
.logo span{color:var(--primary)}
nav{display:flex;align-items:center;gap:32px}
nav a{color:var(--text-secondary);text-decoration:none;font-size:.9rem;font-weight:500;transition:color .3s;position:relative}
nav a::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:2px;background:var(--primary);border-radius:2px;transform:scaleX(0);transition:transform .3s}
nav a:hover,nav a.active{color:var(--text-primary)}
nav a:hover::after,nav a.active::after{transform:scaleX(1)}
.nav-cta{display:inline-flex;padding:10px 24px;background:var(--primary);color:#fff!important;border-radius:8px;font-weight:600;transition:all .3s}
.nav-cta::after{display:none!important}
.nav-cta:hover{background:var(--primary-hover)}
.mobile-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px}
.mobile-toggle span{display:block;width:24px;height:2px;background:var(--text-primary);border-radius:2px;transition:all .3s}
.hero{min-height:100vh;display:flex;align-items:center;padding:calc(var(--header-height)+40px) 24px 80px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-30%;right:-12%;width:500px;height:500px;background:radial-gradient(circle,var(--primary-glow)0%,transparent 70%);pointer-events:none}
.hero::after{content:'';position:absolute;bottom:-25%;left:-8%;width:350px;height:350px;background:radial-gradient(circle,var(--accent-dim)0%,transparent 70%);pointer-events:none}
.hero-content{max-width:var(--max-width);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative;z-index:1}
.hero-text h1{font-size:3.2rem;font-weight:800;line-height:1.15;margin-bottom:20px}
.hero-text h1 .highlight{background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-text p{font-size:1.1rem;color:var(--text-secondary);margin-bottom:32px;max-width:520px}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:8px;font-size:.95rem;font-weight:600;text-decoration:none;transition:all .3s;cursor:pointer;border:none}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 8px 24px var(--primary-glow)}
.btn-outline{background:transparent;color:var(--text-primary);border:1px solid var(--border-color)}
.btn-outline:hover{border-color:var(--primary);background:var(--primary-dim);transform:translateY(-2px)}
.hero-visual{display:flex;justify-content:center;align-items:center}
.hero-icon-circle{width:280px;height:280px;background:linear-gradient(135deg,var(--primary-dim),var(--accent-dim));border-radius:50%;display:flex;align-items:center;justify-content:center;position:relative;animation:float 6s ease-in-out infinite}
.hero-icon-circle span{font-size:5rem;filter:drop-shadow(0 0 20px var(--primary-glow))}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-20px)}}
.stats-bar{background:var(--bg-secondary);border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color);padding:40px 24px}
.stats-grid{max-width:var(--max-width);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.stat-item{text-align:center}
.stat-item .number{font-size:2.5rem;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-item .label{font-size:.85rem;color:var(--text-muted);margin-top:4px}
.section{padding:100px 24px}
.section-inner{max-width:var(--max-width);margin:0 auto}
.section-header{text-align:center;margin-bottom:60px}
.section-header h2{font-size:2.2rem;font-weight:700;margin-bottom:16px}
.section-header p{color:var(--text-secondary);font-size:1.05rem;max-width:600px;margin:0 auto}
.tag{display:inline-block;padding:6px 16px;background:var(--primary-dim);color:var(--primary);border-radius:20px;font-size:.8rem;font-weight:600;margin-bottom:16px;text-transform:uppercase;letter-spacing:1px}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);padding:36px 28px;transition:all .4s;position:relative;overflow:hidden}
.service-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));transform:scaleX(0);transition:transform .4s}
.service-card:hover::before{transform:scaleX(1)}
.service-card:hover{transform:translateY(-6px);border-color:var(--primary);box-shadow:0 12px 40px rgba(101,163,13,.08)}
.service-icon{width:52px;height:52px;border-radius:12px;background:var(--primary-dim);display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:20px}
.service-card h3{font-size:1.2rem;font-weight:600;margin-bottom:12px}
.service-card p{color:var(--text-secondary);font-size:.9rem;line-height:1.7}
.about-content{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-text h2{font-size:2rem;font-weight:700;margin-bottom:20px}
.about-text p{color:var(--text-secondary);margin-bottom:16px}
.about-stats{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px}
.about-stat{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:20px}
.about-stat .val{font-size:1.5rem;font-weight:700;color:var(--primary)}
.about-stat .desc{font-size:.8rem;color:var(--text-muted);margin-top:4px}
.about-image{display:flex;justify-content:center;align-items:center}
.about-image-inner{width:100%;max-width:400px;aspect-ratio:1;background:linear-gradient(135deg,var(--primary-dim),transparent);border-radius:var(--radius);border:1px solid var(--border-color);display:flex;align-items:center;justify-content:center;font-size:5rem;overflow:hidden}
.process-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.process-step{text-align:center;padding:32px 20px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius)}
.process-step::before{counter-increment:step;content:counter(step);width:40px;height:40px;line-height:40px;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:50%;display:inline-block;margin-bottom:16px;font-weight:700;font-size:1.1rem;color:#fff}
.process-step h3{font-size:1.05rem;font-weight:600;margin-bottom:8px}
.process-step p{color:var(--text-secondary);font-size:.85rem}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.contact-info h3{font-size:1.3rem;font-weight:600;margin-bottom:20px}
.contact-info-item{display:flex;gap:16px;margin-bottom:24px;align-items:flex-start}
.contact-info-icon{width:44px;height:44px;min-width:44px;background:var(--primary-dim);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.1rem}
.contact-info-item .label{font-size:.8rem;color:var(--text-muted);margin-bottom:2px}
.contact-info-item .value{color:var(--text-primary);font-size:.95rem}
.contact-form{background:var(--bg-card);padding:36px;border-radius:var(--radius);border:1px solid var(--border-color)}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:.85rem;font-weight:500;color:var(--text-secondary);margin-bottom:6px}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px 16px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.95rem;transition:border-color .3s}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-dim)}
.form-group textarea{resize:vertical;min-height:120px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
footer{background:var(--bg-secondary);border-top:1px solid var(--border-color);padding:60px 24px 30px}
.footer-inner{max-width:var(--max-width);margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{color:var(--text-muted);font-size:.85rem;margin-top:12px}
.footer-col h4{font-size:.9rem;font-weight:600;margin-bottom:16px}
.footer-col a{display:block;color:var(--text-muted);text-decoration:none;font-size:.85rem;margin-bottom:8px;transition:color .3s}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{max-width:var(--max-width);margin:40px auto 0;padding-top:20px;border-top:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center;color:var(--text-muted);font-size:.8rem}
.page-header{padding:calc(var(--header-height)+60px) 24px 60px;text-align:center;position:relative;overflow:hidden}
.page-header::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse at center,var(--primary-glow)0%,transparent 70%);pointer-events:none}
.page-header h1{font-size:2.5rem;font-weight:700;margin-bottom:12px;position:relative;z-index:1}
.page-header p{color:var(--text-secondary);font-size:1.05rem;position:relative;z-index:1}
.content-page{max-width:800px;margin:0 auto;padding:0 24px 80px}
.content-page h2{font-size:1.4rem;font-weight:600;margin:40px 0 16px;color:var(--primary)}
.content-page h3{font-size:1.1rem;font-weight:600;margin:24px 0 12px}
.content-page p,.content-page li{color:var(--text-secondary);font-size:.95rem;line-height:1.8;margin-bottom:12px}
.content-page ul,.content-page ol{padding-left:24px}
.content-page li{margin-bottom:8px}
.content-page strong{color:var(--text-primary)}
.faq-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden}
.faq-question{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:500;transition:background .3s}
.faq-question:hover{background:var(--bg-hover)}
.faq-question .arrow{transition:transform .3s;font-size:.8rem}
.faq-item.open .faq-question .arrow{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s}
.faq-item.open .faq-answer{max-height:300px;padding:0 24px 18px}
.faq-answer p{color:var(--text-secondary);font-size:.9rem}
.reveal{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
@media(max-width:968px){
.hero-content{grid-template-columns:1fr;text-align:center}
.hero-text p{margin:0 auto 32px}
.hero-buttons{justify-content:center}
.hero::before,.hero::after{display:none}
.hero-icon-circle{width:200px;height:200px}
.hero-icon-circle span{font-size:3.5rem}
.hero-text h1{font-size:2.2rem}
.about-content,.contact-grid{grid-template-columns:1fr}
.services-grid{grid-template-columns:1fr 1fr}
.process-steps,.stats-grid{grid-template-columns:1fr 1fr}
.footer-inner{grid-template-columns:1fr 1fr}
.form-row{grid-template-columns:1fr}
}
@media(max-width:640px){
nav{display:none}
nav.open{display:flex;flex-direction:column;position:fixed;top:var(--header-height);left:0;right:0;background:rgba(11,14,10,.98);padding:24px;border-bottom:1px solid var(--border-color);gap:20px}
.mobile-toggle{display:flex}
.services-grid,.process-steps,.footer-inner{grid-template-columns:1fr}
.stats-grid{grid-template-columns:1fr 1fr}
.stat-item .number{font-size:1.8rem}
.footer-bottom{flex-direction:column;gap:8px;text-align:center}
.hero-text h1{font-size:1.8rem}
.section-header h2{font-size:1.6rem}
}