:root{--bg-primary: #ffffff;--surface: #ffffff;--surface-elevated: #f8fafc;--border: rgba(15, 23, 42, .1);--text: #0f172a;--text-muted: #475569;--text-dim: #94a3b8;--accent: #2563eb;--accent-hover: #1d4ed8;--accent-glow: rgba(37, 99, 235, .22);--success: #16a34a;--radius: 14px;--radius-lg: 24px;--nav-h: 64px;--max: 1200px}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,system-ui,sans-serif;background:var(--bg-primary);color:var(--text);-webkit-font-smoothing:antialiased;line-height:1.6;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}@keyframes pulse-dot{0%,to{opacity:1}50%{opacity:.5}}.section{padding:80px 24px}.pricing-grid{display:grid;grid-template-columns:1fr;gap:24px;align-items:stretch;max-width:440px;margin:0 auto}@media (min-width: 700px){.pricing-grid{grid-template-columns:repeat(2,1fr);max-width:920px;gap:28px}}@media (min-width: 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960px){.hero-inner{grid-template-columns:1fr;gap:36px}.hero-panel{order:-1}}.hero-copy{min-width:0}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.75rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-hover);margin:0 0 16px}.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 12px var(--success);animation:pulse-dot 2s ease-in-out infinite}.hero-title{font-size:clamp(2rem,4.5vw,3.25rem);font-weight:800;letter-spacing:-.03em;line-height:1.1;margin:0 0 20px}.hero-subtitle{font-size:1.0625rem;color:var(--text-muted);max-width:36rem;margin:0 0 28px;line-height:1.65}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}a.btn-primary,button.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:10px;font-size:.9375rem;font-weight:600;background:linear-gradient(180deg,#3b82f6 0%,var(--accent) 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12px;color:var(--text)}.product-differentiation__lead{margin:0 0 20px;font-size:1.0625rem;color:var(--text-muted);line-height:1.55}.product-differentiation__list{text-align:left;max-width:420px;margin:0 auto}.features-scroll-wrap{width:100%;max-width:100vw;margin:0 auto;padding:0 0 8px}.features-scroll{display:flex;gap:18px;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;scroll-snap-type:x mandatory;scroll-padding:0 24px;padding:4px 24px 20px;margin:0 -24px;scrollbar-width:thin;scrollbar-color:rgba(15,23,42,.2) transparent}.features-scroll::-webkit-scrollbar{height:8px}.features-scroll::-webkit-scrollbar-thumb{background:#0f172a26;border-radius:4px}@media (min-width: 1248px){.features-scroll{padding-left:0;padding-right:0;max-width:var(--max);margin:0 auto}}.feature-card{position:relative;margin:0;flex:0 0 min(320px,calc(100vw - 56px));scroll-snap-align:start;padding:22px;border-radius:var(--radius);border:1px solid var(--border);background:#fff;box-shadow:0 1px 3px #0f172a0f;transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;overflow:hidden}.feature-card:hover{border-color:#2563eb59;transform:translateY(-3px);box-shadow:0 14px 40px #0f172a1a,0 0 0 1px #2563eb1a}.feature-card h3{position:relative;margin:0 0 12px;padding:0;font-size:1.0625rem;font-weight:600;letter-spacing:-.02em;color:var(--text);line-height:1.35;display:flex;align-items:flex-start;gap:11px}.feature-card p{margin:0;font-size:.875rem;line-height:1.62;color:var(--text-muted)}@media (prefers-reduced-motion: reduce){.feature-card:hover{transform:none}}.edu-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;max-width:var(--max);margin:0 auto}.edu-card{padding:28px;border-radius:var(--radius);border:1px solid var(--border);background:#fff;box-shadow:0 1px 3px #0f172a0d}.edu-card h3{margin:0 0 12px;font-size:1.25rem;font-weight:600}.edu-card p{margin:0;color:var(--text-muted);line-height:1.6}.pricing-card{position:relative;border-radius:var(--radius-lg);border:1px solid var(--border);padding:32px 28px;background:var(--surface);display:flex;flex-direction:column}.pricing-card-highlight{border-color:#2563eb59;background:linear-gradient(180deg,#eff6ff,#fff);box-shadow:0 0 0 1px #2563eb1f}.pricing-card-institutional{border-color:#94a3b873;background:linear-gradient(180deg,#f8fafc,#fff)}.pricing-price--custom{font-size:1.85rem;font-weight:800;letter-spacing:-.03em;margin-bottom:8px;color:var(--text)}.pricing-pill{position:absolute;top:16px;right:16px;font-size:.6875rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:6px 10px;border-radius:999px;background:#2563eb1f;color:#1d4ed8}.pricing-label{font-size:.875rem;font-weight:600;color:var(--text-muted);margin-bottom:8px}.pricing-price{font-size:2.25rem;font-weight:800;letter-spacing:-.03em;margin-bottom:8px}.pricing-price span{font-size:1rem;font-weight:500;color:var(--text-muted)}.pricing-constraints-heading{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim);margin:16px 0 10px}.pricing-features{list-style:none;padding:0;margin:0 0 24px;flex:1}.pricing-features li{font-size:.875rem;color:var(--text-muted);padding:8px 0;border-bottom:1px solid rgba(15,23,42,.08)}.pricing-features li:last-child{border-bottom:none}.pricing-footnote{max-width:42rem;margin:28px auto 0;padding:0 16px;font-size:.8125rem;line-height:1.5;color:var(--text-dim);text-align:center}.pricing-cta{display:inline-flex;align-items:center;justify-content:center;width:100%;padding:12px 18px;border-radius:10px;font-size:.9375rem;font-weight:600;background:linear-gradient(180deg,#3b82f6 0%,var(--accent) 100%);color:#fff!important;margin-top:auto;transition:background .22s cubic-bezier(.22,1,.36,1),box-shadow .22s cubic-bezier(.22,1,.36,1),transform .22s cubic-bezier(.22,1,.36,1),filter .22s cubic-bezier(.22,1,.36,1),opacity .15s;transform:translateZ(0)}.pricing-cta:hover{background:linear-gradient(180deg,#60a5fa,#2563eb);filter:brightness(1.05);box-shadow:0 10px 32px #2563eb52;transform:scale(1.03) translateZ(0)}.pricing-cta:active{transform:scale(1.01) translateZ(0)}.pricing-cta-disabled{opacity:.65;cursor:default;pointer-events:none}.pricing-card-highlight .pricing-cta{background:linear-gradient(135deg,#60a5fa,#2563eb)}.pricing-card-highlight .pricing-cta:hover{background:linear-gradient(135deg,#93c5fd,#3b82f6);filter:brightness(1.04)}.profile-section .profile-page{max-width:520px;margin:0 auto}.profile-card{padding:32px;border-radius:var(--radius-lg);border:1px solid var(--border);background:var(--surface-elevated)}.profile-card-title{margin:0 0 8px;font-size:1.5rem;font-weight:700}.profile-card-desc{margin:0 0 24px;color:var(--text-muted);font-size:.9375rem}.profile-card-row{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:12px 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