:root{
  --primary:#4F39F6; --primary-light:#7565F7; --primary-dark:#3526B8;
  --primary-soft:#F3F1FF; --primary-border:#DDD8FF;
  --bg-white:#FFFFFF; --bg-grey:#F5F5F7; --bg-soft:#FAFAFB;
  --text-black:#1F1F26; --text-dark:#45454F; --text-light:#73737F; --text-muted:#9A9AA5;
  --border:#E5E5EA;
  --shadow-sm:0 1px 2px rgba(31,31,38,.04);
  --shadow-md:0 4px 6px -1px rgba(31,31,38,.06),0 2px 4px -1px rgba(31,31,38,.03);
  --shadow-lg:0 10px 15px -3px rgba(31,31,38,.07),0 4px 6px -2px rgba(31,31,38,.03);
  --shadow-xl:0 20px 25px -5px rgba(31,31,38,.08),0 10px 10px -5px rgba(31,31,38,.03);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--text-dark);background:var(--bg-white);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:var(--primary)}
img{max-width:100%;display:block}
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;height:72px;padding:0 5%;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);transition:height .3s,box-shadow .3s}
.navbar.scrolled{height:60px;background:rgba(255,255,255,.98);box-shadow:var(--shadow-md)}
.nav-logo{display:flex;align-items:center;gap:10px;color:var(--text-black);text-decoration:none;font-size:20px;font-weight:800;letter-spacing:-.02em}
.logo-badge{width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:9px;background:var(--primary);color:#fff;font-size:14px;font-weight:800;box-shadow:0 3px 10px rgba(79,57,246,.18)}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-links a{position:relative;color:var(--text-dark);text-decoration:none;font-size:14.5px;font-weight:500;padding:4px 0;transition:color .2s}
.nav-links a::after{content:'';position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--primary);transition:width .2s}
.nav-links a:hover,.nav-links li.active a{color:var(--primary)}
.nav-links a:hover::after,.nav-links li.active a::after{width:100%}
.nav-cta{display:inline-flex;align-items:center;padding:9px 20px;border-radius:10px;background:var(--primary);color:#fff;text-decoration:none;font-size:14px;font-weight:700;box-shadow:0 4px 14px rgba(79,57,246,.16);transition:.2s}
.nav-cta:hover{background:var(--primary-dark);transform:translateY(-1px)}
.mobile-menu-btn{display:none;padding:8px;border:none;background:transparent;color:var(--text-dark);cursor:pointer}
@media (max-width:900px){
  .nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:16px 5%;gap:14px;border-bottom:1px solid var(--border);box-shadow:var(--shadow-lg)}
  .nav-links.open{display:flex}
  .navbar .nav-cta{display:none}
  .mobile-menu-btn{display:block}
}
.hero{min-height:88vh;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden;padding:120px 5% 70px;background:linear-gradient(135deg,#FAFAFB 0%,#F8F7FC 52%,#F3F1FF 100%)}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(79,57,246,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(79,57,246,.022) 1px,transparent 1px);background-size:50px 50px;mask-image:radial-gradient(ellipse at center,black 0%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse at center,black 0%,transparent 75%)}
.hero-content{position:relative;z-index:2;width:100%;max-width:900px;text-align:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;margin-bottom:22px;border-radius:100px;background:var(--primary-soft);border:1px solid var(--primary-border);color:var(--primary);font-size:13px;font-weight:700}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--primary)}
.hero h1{margin-bottom:18px;color:var(--text-black);font-size:clamp(34px,5vw,60px);font-weight:800;line-height:1.15;letter-spacing:-.03em}
.gradient-text{background:linear-gradient(135deg,#4F39F6 0%,#6350F7 55%,#3526B8 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-subtitle{max-width:640px;margin:0 auto 32px;color:var(--text-light);font-size:clamp(16px,1.8vw,19px)}
.hero-cta-group{display:flex;justify-content:center;flex-wrap:wrap;gap:14px}
.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border:none;border-radius:11px;background:var(--primary);color:#fff;text-decoration:none;font-size:15px;font-weight:700;cursor:pointer;box-shadow:0 4px 18px rgba(79,57,246,.18);transition:.2s}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 25px rgba(79,57,246,.23)}
.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border:1px solid #D9D6F5;border-radius:11px;background:#fff;color:var(--primary);text-decoration:none;font-size:15px;font-weight:700;box-shadow:var(--shadow-sm);transition:.2s}
.btn-secondary:hover{background:#FAF9FF;border-color:#BEB7F5;transform:translateY(-2px)}
section{padding:90px 5%}
.section-header{max-width:700px;margin:0 auto 50px;text-align:center}
.section-label{display:inline-block;padding:5px 14px;margin-bottom:12px;border-radius:100px;background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.14em}
.section-header h2{margin-bottom:14px;color:var(--text-black);font-size:clamp(28px,3.2vw,40px);font-weight:800;line-height:1.2;letter-spacing:-.02em}
.section-header p{color:var(--text-light);font-size:16.5px}
.section-grey{background:var(--bg-grey)}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;max-width:1180px;margin:0 auto}
.step-card{position:relative;display:flex;flex-direction:column;min-height:230px;padding:22px;border:1px solid var(--border);border-radius:16px;background:#fff;text-decoration:none;color:inherit;box-shadow:0 2px 6px rgba(31,31,38,.035);transition:transform .2s,border-color .2s,box-shadow .2s}
.step-card:hover{transform:translateY(-4px);border-color:#C9C3F4;box-shadow:0 12px 28px rgba(31,31,38,.08)}
.step-num{font-size:10px;font-weight:800;color:#A1A1AC;letter-spacing:.12em;margin-bottom:14px}
.step-icon{width:44px;height:44px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;border-radius:12px;font-size:20px;background:var(--primary-soft)}
.step-card h3{margin-bottom:6px;color:var(--text-black);font-size:18px;font-weight:750;letter-spacing:-.01em}
.step-card h3 .verb{display:block;font-size:11px;font-weight:800;color:var(--primary);text-transform:uppercase;letter-spacing:.1em;margin-bottom:4px}
.step-card p{color:var(--text-light);font-size:13px;line-height:1.55}
.step-link{margin-top:auto;padding-top:14px;color:var(--primary);font-size:12.5px;font-weight:750}
.loop-note{max-width:760px;margin:34px auto 0;text-align:center;color:var(--text-light);font-size:14px}
.loop-note strong{color:var(--text-dark)}
.loop-diagram{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin-top:16px;font-size:12.5px;font-weight:700;color:var(--text-dark)}
.loop-diagram .chip{padding:6px 12px;border-radius:100px;background:#fff;border:1px solid var(--border)}
.loop-diagram .chip.hl{border-color:var(--primary-border);color:var(--primary)}
.loop-diagram .arr{color:#B5B2C7}
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:1150px;margin:0 auto}
.card{padding:30px 26px;border:1px solid var(--border);border-radius:18px;background:#fff;box-shadow:var(--shadow-md);transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card h3{margin-bottom:10px;color:var(--text-black);font-size:18px;font-weight:700}
.card p{color:var(--text-light);font-size:14.5px;line-height:1.6}
.card .card-icon{width:44px;height:44px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;border-radius:12px;font-size:19px;background:var(--primary-soft)}
.card ul{list-style:none;margin-top:14px;display:flex;flex-direction:column;gap:8px}
.card ul li{display:flex;gap:8px;align-items:flex-start;font-size:13.5px;color:var(--text-dark)}
.card ul li::before{content:'\2713';color:var(--primary);font-weight:800;flex:none}
.connector{padding:60px 5%;background:linear-gradient(180deg,#fff 0%,#F8F7FC 100%)}
.connector-inner{max-width:760px;margin:0 auto;text-align:center;border:1px solid #E1DDF8;border-radius:22px;padding:44px 30px;background:linear-gradient(135deg,#FAFAFB 0%,#F5F3FF 100%)}
.step-label{display:inline-block;padding:5px 14px;margin-bottom:14px;border-radius:100px;background:var(--primary-soft);border:1px solid var(--primary-border);color:var(--primary);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.12em}
.connector h2{margin-bottom:10px;color:var(--text-black);font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.02em}
.connector p{color:var(--text-light);font-size:15px;max-width:560px;margin:0 auto 22px}
.connector-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;align-items:center}
.link-soft{font-size:13px;color:var(--text-light);text-decoration:underline;text-underline-offset:3px}
.link-soft:hover{color:var(--primary)}
.btn-ghost{display:inline-flex;align-items:center;padding:12px 22px;border:1px solid #D9D6F5;border-radius:11px;background:#fff;color:var(--primary);text-decoration:none;font-size:14px;font-weight:700;transition:.2s}
.btn-ghost:hover{background:#FAF9FF;border-color:#BEB7F5}
.page-hero{padding:140px 5% 50px;background:linear-gradient(135deg,#FAFAFB 0%,#F3F1FF 100%);text-align:center}
.page-hero h1{max-width:820px;margin:0 auto 14px;color:var(--text-black);font-size:clamp(30px,4vw,48px);font-weight:800;line-height:1.15;letter-spacing:-.025em}
.page-hero .lead{max-width:680px;margin:0 auto;color:var(--text-light);font-size:17px}
.page-hero .hero-badge{margin-bottom:18px}
.content{max-width:820px;margin:0 auto;padding:60px 5%}
.content h2{color:var(--text-black);font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.02em;margin:48px 0 14px}
.content h2:first-child{margin-top:0}
.content h3{color:var(--text-dark);font-size:19px;font-weight:700;margin:28px 0 10px}
.content h4{color:var(--text-dark);font-size:15.5px;font-weight:700;margin:20px 0 8px}
.content p{color:var(--text-dark);font-size:15.5px;line-height:1.7;margin-bottom:14px}
.content ul,.content ol{margin:0 0 16px 22px;color:var(--text-dark);font-size:15px;line-height:1.7}
.content li{margin-bottom:6px}
.content blockquote{border-left:3px solid var(--primary);background:var(--primary-soft);padding:14px 18px;border-radius:0 12px 12px 0;margin:18px 0;color:var(--text-dark);font-size:15px}
.callout{background:var(--primary-soft);border:1px solid var(--primary-border);border-radius:14px;padding:18px 20px;margin:20px 0}
.callout h4{margin-top:0}
.related-box{border:1px solid var(--border);border-radius:16px;padding:22px 24px;margin:36px 0 0;background:#fff;box-shadow:var(--shadow-sm)}
.related-box h4{margin:0 0 10px;font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-light)}
.related-box ul{list-style:none;margin:0}
.related-box li{margin-bottom:8px}
.related-box a{font-size:14.5px;font-weight:600;text-decoration:none}
.related-box a:hover{text-decoration:underline}
figure.illus{margin:26px 0}
figure.illus img{border-radius:16px;box-shadow:var(--shadow-lg);width:100%}
figure.illus figcaption{font-size:12.5px;color:var(--text-muted);margin-top:8px;text-align:center}
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:1150px;margin:0 auto}
.blog-card{display:flex;flex-direction:column;border:1px solid var(--border);border-radius:16px;background:#fff;overflow:hidden;text-decoration:none;color:inherit;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}
.blog-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.blog-card img{height:150px;width:100%;object-fit:cover}
.blog-card .bc-body{padding:18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.blog-card .bc-cat{font-size:10.5px;font-weight:800;text-transform:uppercase;letter-spacing:.1em;color:var(--primary)}
.blog-card h3{font-size:16px;font-weight:750;color:var(--text-black);line-height:1.35}
.blog-card p{font-size:13px;color:var(--text-light);flex:1}
.blog-card .bc-link{font-size:12.5px;font-weight:750;color:var(--primary)}
.article-nav{display:flex;justify-content:space-between;gap:14px;max-width:820px;margin:40px auto 0;padding:0 5% 60px;flex-wrap:wrap}
.article-nav a{flex:1;min-width:220px;border:1px solid var(--border);border-radius:14px;padding:14px 18px;text-decoration:none;color:var(--text-dark);font-size:13.5px;font-weight:600;background:#fff;transition:.2s}
.article-nav a:hover{border-color:#C9C3F4}
.article-nav a span{display:block;font-size:11px;color:var(--text-muted);font-weight:600;margin-bottom:3px}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:1050px;margin:0 auto}
.pricing-card{position:relative;display:flex;flex-direction:column;padding:34px 28px;border:1px solid var(--border);border-radius:18px;background:#fff;box-shadow:var(--shadow-sm)}
.pricing-card.featured{border:2px solid var(--primary);box-shadow:0 15px 35px rgba(79,57,246,.10);transform:scale(1.02)}
.pricing-badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);padding:5px 14px;border-radius:100px;background:var(--primary);color:#fff;font-size:10.5px;font-weight:800;text-transform:uppercase;letter-spacing:.1em}
.pricing-card h3{font-size:18px;margin-bottom:4px;color:var(--text-dark)}
.pricing-desc{min-height:38px;font-size:13.5px;color:var(--text-light);margin-bottom:16px}
.pricing-price{font-size:36px;font-weight:800;color:var(--text-black);margin-bottom:4px}
.pricing-price span{font-size:14px;color:var(--text-light);font-weight:500}
.pricing-card ul{list-style:none;margin:18px 0 22px;display:flex;flex-direction:column;gap:10px}
.pricing-card ul li{display:flex;gap:9px;font-size:13.5px}
.pricing-card ul li::before{content:'\2713';color:var(--primary);font-weight:800}
.pricing-btn{display:block;width:100%;padding:12px;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--text-dark);font-size:14px;font-weight:700;text-align:center;text-decoration:none;transition:.2s}
.pricing-btn:hover{border-color:var(--primary);color:var(--primary);background:#FCFBFF}
.pricing-btn.primary{border-color:var(--primary);background:var(--primary);color:#fff}
.pricing-btn.primary:hover{background:var(--primary-dark);color:#fff}
.faq-list{max-width:780px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--border);border-radius:14px;background:#fff;padding:20px 24px}
.faq-item h3{font-size:15.5px;color:var(--text-black);margin-bottom:6px}
.faq-item p{font-size:14px;color:var(--text-light)}
.footer{padding:60px 5% 26px;background:var(--text-black);color:#fff}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;max-width:1150px;margin:0 auto 40px}
.footer-brand .logo{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff;font-size:18px;font-weight:800;text-decoration:none}
.footer-brand p{max-width:320px;color:#94A3B8;font-size:13.5px;line-height:1.6}
.footer-links h4{margin-bottom:16px;color:#fff;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.1em}
.footer-links ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-links a{color:#94A3B8;font-size:13.5px;text-decoration:none;transition:.2s}
.footer-links a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;max-width:1150px;margin:0 auto;padding-top:20px;border-top:1px solid #334155;color:#94A3B8;font-size:12.5px}
.footer-bottom a{color:#94A3B8;text-decoration:none}
.footer-bottom a:hover{color:#fff}
.footer .made{font-weight:600}
.app-bridge{padding:70px 5%;text-align:center}
.app-bridge-box{max-width:820px;margin:0 auto;padding:46px 28px;border:1px solid #E1DDF8;border-radius:22px;background:linear-gradient(135deg,#FAFAFB 0%,#F5F3FF 100%)}
.app-bridge-box h2{margin-bottom:12px;color:var(--text-black);font-size:clamp(24px,3vw,32px);font-weight:800}
.app-bridge-box p{margin-bottom:24px;color:var(--text-light);font-size:16px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;max-width:1000px;margin:0 auto}
.two-col .txt h2{margin-top:0}
.two-col .txt p{color:var(--text-light);font-size:15px;margin-bottom:12px}
@media (max-width:1024px){
  .steps-grid{grid-template-columns:1fr 1fr}
  .cards-grid,.pricing-grid,.blog-grid{grid-template-columns:1fr;max-width:520px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .two-col{grid-template-columns:1fr}
}
@media (max-width:640px){
  .steps-grid{grid-template-columns:1fr}
  .hero-cta-group{flex-direction:column;align-items:stretch}
  .footer-grid{grid-template-columns:1fr}
}