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#252833;border-radius:8px;gap:4px;min-width:230px;padding:14px;display:grid;position:absolute;top:calc(100% + 12px);right:0;box-shadow:0 24px 60px #0000003d}.language-options a{color:#fff;border-radius:8px;align-items:center;gap:12px;padding:12px 14px;font-size:1.02rem;font-weight:850;display:flex}.language-options a:hover,.language-options a.active{background:#ffffff1a}.language-options a.active:after{color:#c9b6ff;content:"✓";margin-left:auto}[dir=rtl] .language-options{left:0;right:auto}.hero{max-width:1180px;margin:0 auto;padding:52px 24px 36px}.about-hero{grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);align-items:center;gap:48px;max-width:1180px;margin:0 auto;padding:72px 24px 54px;display:grid}.hero-copy{text-align:center;max-width:820px;margin:0 auto 28px}.eyebrow{color:var(--green);letter-spacing:0;text-transform:uppercase;margin:0 0 10px;font-size:.78rem;font-weight:800}h1,h2,h3,p{margin-top:0}h1{margin-bottom:18px;font-size:clamp(2.45rem,6vw,5rem);line-height:.98}.hero-subtitle{color:var(--muted);max-width:720px;margin:0 auto;font-size:1.12rem;line-height:1.7}.tool-shell{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:8px;overflow:hidden}.tool-top,.panel-header,.panel-footer{justify-content:space-between;align-items:center;display:flex}.tool-top{border-bottom:1px solid var(--line);gap:16px;padding:14px}.mode-group{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.mode-group span{color:var(--muted);font-size:.92rem;font-weight:700}.mode-group button,.tool-actions button,.paste-button{background:var(--soft);border:1px solid var(--line);color:#31413c;border-radius:8px;align-items:center;gap:8px;min-height:38px;padding:9px 12px;font-weight:800;display:inline-flex}.mode-group 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p{color:var(--muted);line-height:1.75}h2{margin-bottom:18px;font-size:clamp(2rem,4vw,3.3rem);line-height:1.05}.split-section{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;gap:48px;display:grid}.alt{border-bottom:1px solid var(--line);border-top:1px solid var(--line);background:#fbfcfb;max-width:none;padding-left:max(24px,50vw - 566px);padding-right:max(24px,50vw - 566px)}.text-link{color:var(--green);align-items:center;gap:8px;font-weight:900;display:inline-flex}.diagram,.reason-panel,.audience-list{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:24px;box-shadow:0 14px 32px #17211f12}.pattern-diagram{min-height:280px;position:relative;overflow:hidden}.binary{color:#90a09a;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:1.15rem;font-weight:800}.diagram-row{justify-content:center;align-items:center;gap:18px;min-height:170px;font-size:1.35rem;font-weight:900;display:flex}.diagram-row 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p{color:var(--muted);margin:0;line-height:1.65}.check-list{color:var(--muted);margin:0;padding-left:20px;line-height:1.8}.flow-diagram{gap:14px;display:grid}.flow-chip{background:linear-gradient(90deg, var(--mint), #eef4ff);text-align:center;border:1px solid #cfe1da;border-radius:8px;padding:16px 18px;font-weight:900}.feature-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.feature-icon{background:var(--mint);color:var(--green);border-radius:8px;justify-content:center;align-items:center;width:42px;height:42px;margin-bottom:18px;display:inline-flex}.feature-card h3{margin-bottom:10px;font-size:1.04rem}.chart-title{align-items:center;gap:10px;margin-bottom:24px;font-weight:900;display:flex}.bar-row+.bar-row{margin-top:18px}.bar-label{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.bar-track{background:#eef3f0;border-radius:8px;height:16px;overflow:hidden}.bar-track span{background:linear-gradient(90deg, var(--green), var(--blue));height:100%;display:block}.chart-diagram p{color:var(--muted);margin:20px 0 0}.training-diagram{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.training-node{background:var(--soft);border:1px solid var(--line);text-align:center;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;gap:8px;min-height:150px;padding:18px;display:flex}.training-node strong{color:var(--green);font-size:1.4rem}.training-node span{color:var(--muted)}.about-actions{flex-wrap:wrap;gap:12px;margin-top:28px;display:flex}.about-card{gap:18px;display:grid}.about-stat{background:var(--soft);border:1px solid var(--line);border-radius:8px;padding:22px}.about-stat strong{margin-bottom:8px;font-size:1.2rem;display:block}.about-stat span{color:var(--muted);line-height:1.65}.about-stat.highlighted{background:var(--mint);border-color:#b9dfd0}.about-arrow{color:var(--green);text-align:center;font-size:2rem;font-weight:900}.feature-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.testimonial-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.testimonial-card{background:var(--panel);border:1px solid var(--line);border-radius:8px;flex-direction:column;gap:18px;min-height:260px;padding:22px;display:flex;box-shadow:0 12px 28px #17211f0f}.testimonial-card p{color:var(--muted);flex:1;margin:0;line-height:1.7}.testimonial-card strong,.testimonial-card span{display:block}.testimonial-card span{color:var(--muted);margin-top:4px;font-size:.92rem}.testimonial-author{align-items:center;gap:12px;display:flex}.testimonial-author img{background:var(--soft);object-fit:cover;border:2px solid #fff;border-radius:50%;flex:none;width:56px;height:56px;box-shadow:0 8px 18px 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