:root{--bg:#f7f9fc;--text:#0f172a;--muted:#5b6475;--line:#dfe6f2;--primary:#2563eb;--primary-dark:#1d4ed8;--soft:#eef4ff;--shadow:0 18px 45px rgba(15,23,42,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}.shell{max-width:1180px;margin:0 auto}.kpr-site-wrap,.kpr-app-page{min-height:100vh}.kpr-hero{padding:28px 20px 48px;background:radial-gradient(circle at top left,#eef5ff 0,rgba(238,245,255,0) 40%),linear-gradient(180deg,#fff 0,#f7f9fc 100%)}
.kpr-nav{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:8px 0 30px}.kpr-brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--text)}.kpr-brand strong{display:block;font-size:17px}.kpr-brand span{display:block;font-size:13px;color:var(--muted)}.kpr-brand-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--primary),#7c3aed);display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;font-weight:700;box-shadow:var(--shadow)}.kpr-nav-actions,.kpr-actions,.kpr-bottom-cta{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.kpr-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:12px 20px;text-decoration:none;font-weight:600;border:1px solid transparent;transition:.2s}.kpr-btn:hover{transform:translateY(-1px)}.kpr-btn-primary{background:var(--primary);color:#fff;box-shadow:0 12px 30px rgba(37,99,235,.22)}.kpr-btn-primary:hover{background:var(--primary-dark)}.kpr-btn-ghost{background:#fff;color:var(--text);border-color:var(--line)}
.kpr-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:center}.kpr-pill,.kpr-auth-badge,.kpr-section-kicker,.kpr-mail-tag{display:inline-flex;background:var(--soft);color:var(--primary);border:1px solid #cdddff;padding:7px 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.02em;text-transform:uppercase}.kpr-hero-copy h1{font-size:clamp(2.4rem,5vw,4.4rem);line-height:1.04;margin:18px 0;letter-spacing:-.03em}.kpr-hero-copy p{font-size:1.12rem;color:var(--muted);line-height:1.7;max-width:700px}.kpr-actions{margin-top:26px}.kpr-proof-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}.kpr-proof-row div,.kpr-feature-card,.kpr-price-card,.kpr-callout,.kpr-auth-card,.kpr-mini-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:var(--shadow)}.kpr-proof-row strong{display:block}.kpr-proof-row span{display:block;margin-top:6px;color:var(--muted);font-size:.94rem;line-height:1.5}
.kpr-window{background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);overflow:hidden}.kpr-window-top{display:flex;gap:8px;padding:16px 18px;border-bottom:1px solid var(--line);background:#fbfcfe}.kpr-window-top span{width:11px;height:11px;border-radius:50%;background:#d7deea}.kpr-window-body{display:grid;gap:20px;padding:24px}.kpr-mail-card{padding:22px;border-radius:22px;background:linear-gradient(180deg,#fff 0,#f6faff 100%);border:1px solid var(--line)}.kpr-mail-card h3{margin:14px 0 10px}.kpr-mail-card p,.kpr-mail-card li{color:var(--muted);line-height:1.6}.kpr-stack{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.kpr-stack-card{background:#0f172a;color:#fff;padding:18px 16px;border-radius:18px;display:flex;flex-direction:column;gap:10px}.kpr-stack-card span{font-size:1.65rem;font-weight:700}
.kpr-section{padding:74px 20px}.kpr-section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.kpr-section-head{text-align:center;max-width:860px;margin:0 auto 34px}.kpr-section-head h2,.kpr-two-col h2{font-size:clamp(2rem,4vw,3rem);line-height:1.12;margin:12px 0;letter-spacing:-.03em}.kpr-section-head p,.kpr-two-col p,.kpr-callout li,.kpr-feature-card p,.kpr-price-card p,.kpr-price-card li{color:var(--muted);line-height:1.7}.kpr-feature-grid,.kpr-pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.kpr-feature-card h3{margin:0 0 10px}.kpr-two-col{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:start}.kpr-price-card-featured{border-color:#93b5ff;box-shadow:0 22px 52px rgba(37,99,235,.16)}.kpr-price-tier{font-size:.95rem;font-weight:700;color:var(--primary);text-transform:uppercase}.kpr-price-amount{font-size:2.6rem;font-weight:800;margin:10px 0}.kpr-price-amount span{font-size:1rem;color:var(--muted);font-weight:600}.kpr-bottom-cta{justify-content:center;margin-top:30px}
.kpr-footer{background:#0f172a;color:#fff;padding:38px 20px}.kpr-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:34px;align-items:start}.kpr-footer strong{display:block}.kpr-footer span{display:block;color:#a9b4c6;margin-top:6px}.kpr-footer-links{display:flex;flex-direction:column;gap:8px}.kpr-footer-links strong{font-size:.88rem;color:#fff;margin-bottom:3px}.kpr-footer-links a{color:#a9b4c6;text-decoration:none;font-size:.95rem}.kpr-footer-links a:hover{color:#fff}.kpr-footer-copy{color:#a9b4c6;white-space:nowrap;padding-top:2px}.kpr-generic-page{padding:60px 20px}.kpr-generic-page article{max-width:860px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:24px;padding:32px}.kpr-generic-page h1{font-size:2.4rem}
.kpr-app-shell{max-width:1180px;margin:0 auto;padding:64px 20px}.kpr-auth-card{max-width:520px;margin:0 auto;padding:34px}.kpr-auth-card h1{font-size:clamp(2rem,4vw,3rem);line-height:1.1;margin:16px 0 12px}.kpr-auth-card p{color:var(--muted);line-height:1.7}.kpr-auth-card form{margin-top:20px}.kpr-auth-card input[type=text],.kpr-auth-card input[type=password],.kpr-auth-card input[type=email]{width:100%;padding:14px 16px;border-radius:14px;border:1px solid var(--line)}.kpr-auth-card input[type=submit]{border:none;background:var(--primary);color:#fff;padding:12px 18px;border-radius:999px;font-weight:700;cursor:pointer}.kpr-public-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.kpr-mini-card{display:flex;flex-direction:column;gap:10px;text-decoration:none;color:var(--text)}.kpr-mini-card span{color:var(--muted);line-height:1.6}
@media(max-width:980px){.kpr-hero-grid,.kpr-two-col,.kpr-feature-grid,.kpr-pricing-grid,.kpr-public-grid{grid-template-columns:1fr}.kpr-proof-row,.kpr-stack{grid-template-columns:1fr}.kpr-nav{flex-direction:column;align-items:flex-start}.kpr-footer-grid{grid-template-columns:1fr 1fr}.kpr-footer-copy{white-space:normal}.kpr-nav-actions{width:100%}}@media(max-width:640px){.kpr-hero{padding:20px 16px 40px}.kpr-section{padding:56px 16px}.kpr-btn{width:100%}.kpr-actions,.kpr-bottom-cta{flex-direction:column}}

@media(max-width:640px){.kpr-footer-grid{grid-template-columns:1fr;gap:22px}.kpr-footer-copy{padding-top:4px}}

.kpr-app-link{font-weight:700}.kpr-footer-app{color:#fff!important;font-weight:700}.kpr-footer-app::after{content:"  →"}.kpr-footer-app:hover{text-decoration:underline}