/* chelkron.com — company home page */
:root{
  --navy:#0F2A5C;     /* hero and contact ground */
  --blue:#2563EB;     /* product accent, buttons */
  --sky:#338BEF;      /* the logo blue */
  --ink:#0F172A;      /* text */
  --slate:#475569;    /* secondary text */
  --mist:#F3F6FA;     /* quiet section ground */
  --line:#DCE3EC;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:#FFFFFF;color:var(--ink);font-family:'Geist',ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--blue)}
img{display:block}
:focus-visible{outline:3px solid var(--sky);outline-offset:3px;border-radius:4px}
.wrap{max-width:1160px;margin:0 auto;padding:0 32px}

.btn{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 22px;border-radius:999px;font:inherit;font-size:16px;font-weight:600;text-decoration:none;white-space:nowrap;border:1.5px solid transparent;transition:background .15s,color .15s,border-color .15s}
.btn-light{background:#FFFFFF;color:var(--navy)}
.btn-light:hover{background:#E8F0FD}
.btn-line{border-color:rgba(255,255,255,.55);color:#FFFFFF}
.btn-line:hover{border-color:#FFFFFF;background:rgba(255,255,255,.08)}
.btn-blue{background:var(--blue);color:#FFFFFF}
.btn-blue:hover{background:#1D4ED8}
.btn-ghost{height:40px;padding:0 16px;font-size:15px;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink)}

/* Header */
.top{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;gap:32px;height:68px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-family:'Bricolage Grotesque','Geist',sans-serif;font-weight:700;font-size:22px;letter-spacing:-.02em}
.brand-sm{font-size:18px}
.nav{display:flex;gap:28px;margin-inline-start:auto}
.nav a{color:var(--slate);text-decoration:none;font-size:15px;font-weight:500}
.nav a:hover{color:var(--ink)}
.menu-btn,.menu-x{width:44px;height:44px;flex:none;display:none;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:12px;background:#FFFFFF;color:var(--ink);cursor:pointer}
.menu-btn:hover,.menu-x:hover{border-color:var(--ink)}

/* Phone menu: a solid full-screen panel with its own X */
.menu{position:fixed;inset:0;z-index:30;background:#FFFFFF;display:flex;flex-direction:column;overflow-y:auto}
.menu[hidden]{display:none}
.menu>.wrap{width:100%}
.menu-top{display:flex;align-items:center;justify-content:space-between;height:68px;flex:none;border-bottom:1px solid var(--line)}
.menu-x{display:inline-flex}
.menu-links{display:flex;flex-direction:column;padding-top:12px;padding-bottom:12px}
.menu-links a{display:flex;align-items:center;min-height:64px;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none;font-family:'Bricolage Grotesque','Geist',sans-serif;font-weight:700;font-size:28px;letter-spacing:-.02em}
.menu-links a:hover{color:var(--blue)}
.menu-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:24px;padding-bottom:32px}
.menu-foot .btn{width:100%;height:52px}
.menu-foot .btn-ghost{font-size:16px}
body.menu-open{overflow:hidden}

/* Hero: the logo's own arc, drawn huge, is the one bold move on the page */
.hero{position:relative;overflow:hidden;background:var(--navy);color:#FFFFFF;padding:128px 0 128px}
.arc{position:absolute;right:-300px;top:50%;transform:translateY(-50%);height:150%;width:auto;fill:none;stroke:var(--sky);stroke-width:1.4;opacity:.4;pointer-events:none}
.hero-in{position:relative}
.hero h1{margin:0;max-width:880px;font-family:'Bricolage Grotesque','Geist',sans-serif;font-weight:700;font-size:clamp(44px,7.4vw,96px);line-height:.98;letter-spacing:-.035em;text-wrap:balance}
.lead{margin:32px 0 0;max-width:590px;font-size:20px;line-height:1.55;color:rgba(255,255,255,.86)}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px}
@media (prefers-reduced-motion:no-preference){
  .arc{animation:draw 2.4s ease-out both;stroke-dasharray:3200;stroke-dashoffset:3200}
  @keyframes draw{to{stroke-dashoffset:0}}
}

/* Section headings */
.sec-h{margin:0;font-family:'Bricolage Grotesque','Geist',sans-serif;font-weight:700;font-size:clamp(32px,4.2vw,48px);line-height:1.05;letter-spacing:-.03em}
.sec-p{margin:12px 0 0;color:var(--slate);font-size:18px}

/* Products */
.products{padding:104px 0 72px}
.prod{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:64px;align-items:center;padding:72px 0;border-bottom:1px solid var(--line)}
.prod:last-child{border-bottom:0}
.prod-alt .prod-copy{order:2}
.prod h3{display:flex;align-items:center;gap:12px;margin:0;font-family:'Bricolage Grotesque','Geist',sans-serif;font-weight:700;font-size:32px;letter-spacing:-.025em;line-height:1.1}
.prod-lead{margin:12px 0 24px;font-size:20px;color:var(--slate)}
.feat{margin:0 0 32px;padding:0;list-style:none;border-top:1px solid var(--line)}
.feat li{display:grid;grid-template-columns:128px minmax(0,1fr);gap:16px;padding:12px 0;border-bottom:1px solid var(--line);font-size:16px;color:var(--slate)}
.feat b{color:var(--ink);font-weight:600}

/* Product screenshots (drawn, not images) */
.shot{border-radius:14px;background:#FFFFFF;border:1px solid var(--line);box-shadow:0 40px 80px -40px rgba(15,42,92,.45);overflow:hidden;font-size:14px}
.shot-bar{display:flex;align-items:center;gap:6px;height:38px;padding:0 14px;background:var(--mist);border-bottom:1px solid var(--line)}
.shot-bar i{width:10px;height:10px;border-radius:50%;background:#CBD5E1}
.shot-bar span{margin-inline-start:12px;padding:2px 12px;border-radius:999px;background:#FFFFFF;color:var(--slate);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.shot-body{padding:20px;display:flex;flex-direction:column;gap:14px;background:#F8FAFC}
.kpis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.kpis div{background:#FFFFFF;border:1px solid var(--line);border-radius:10px;padding:10px 12px;display:flex;flex-direction:column}
.kpis small{color:var(--slate);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.kpis b{font-size:19px;font-weight:600;font-variant-numeric:tabular-nums}
.rows{background:#FFFFFF;border:1px solid var(--line);border-radius:10px;padding:2px 14px}
.row{display:flex;align-items:center;gap:10px;padding:11px 0;border-top:1px solid #EEF2F7}
.row:first-child{border-top:0}
.av{flex:none;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600}
.a1{background:#EFF6FF;color:#1D4ED8}.a2{background:#F0FDF4;color:#15803D}.a3{background:#F5F3FF;color:#6D28D9}
.row .t{flex:1 1 auto;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row .t b{font-weight:600}
.tag{flex:none;height:22px;padding:0 9px;border-radius:999px;font-size:11px;font-weight:600;display:inline-flex;align-items:center}
.t-due{background:#FFFBEB;color:#92400E}.t-open{background:#EFF6FF;color:#1D4ED8}.t-done{background:#F0FDF4;color:#15803D}
.time{flex:none;color:var(--slate);font-size:12px}
.mail-head{display:flex;align-items:baseline;gap:10px}
.mail-head b{font-size:17px}
.mail-head span{font-size:12px;color:var(--blue);font-weight:600}
.dns{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.dns span{height:22px;padding:0 9px;border-radius:999px;background:#EFF6FF;color:#1D4ED8;font-size:11px;font-weight:600;display:inline-flex;align-items:center}
.dns em{font-style:normal;margin-inline-start:auto;font-size:12px;color:#15803D;font-weight:600}

/* How we build */
.approach{background:var(--mist);padding:104px 0}
.principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:48px;border-top:2px solid var(--ink)}
.principles>div{padding:28px 32px 8px 0}
.principles>div+div{padding-left:32px;border-left:1px solid var(--line)}
.principles h3{margin:0 0 10px;font-size:20px;font-weight:600;letter-spacing:-.01em}
.principles p{margin:0;color:var(--slate);font-size:16px}
.next{display:grid;grid-template-columns:240px minmax(0,1fr);gap:32px;margin-top:72px;padding-top:32px;border-top:1px solid var(--line)}
.next p{margin:0;max-width:64ch}
.next-h{font-family:'Bricolage Grotesque','Geist',sans-serif;font-weight:700;font-size:24px;letter-spacing:-.02em;line-height:1.2}

/* Contact */
.contact{background:var(--navy);color:#FFFFFF;padding:88px 0}
.contact-in{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:32px}
.contact h2{margin:0;font-family:'Bricolage Grotesque','Geist',sans-serif;font-weight:700;font-size:clamp(36px,5vw,60px);letter-spacing:-.03em;line-height:1}
.contact-in>div>p{margin:14px 0 0;color:rgba(255,255,255,.82);max-width:46ch}
.contact-list{display:flex;flex-wrap:wrap;align-items:center;gap:12px}

/* Contact pop-up */
.contact-note{flex-basis:100%;margin:0;padding:12px 16px;border-radius:12px;background:rgba(255,255,255,.12);color:#FFFFFF;font-size:15px}
.contact-note.bad{background:rgba(254,202,202,.18)}
.cf{width:min(640px,calc(100% - 32px));max-height:calc(100% - 32px);padding:0;border:0;border-radius:20px;background:#FFFFFF;color:var(--ink);box-shadow:0 40px 80px -20px rgba(15,23,42,.45)}
.cf::backdrop{background:rgba(15,23,42,.55)}
.cf-form{display:flex;flex-direction:column;gap:16px;padding:28px}
.cf-top{display:flex;align-items:center;justify-content:space-between;gap:16px}
.cf-top h2{margin:0;font-family:'Bricolage Grotesque','Geist',sans-serif;font-weight:700;font-size:28px;letter-spacing:-.02em;line-height:1.1}
.cf-sub{margin:-8px 0 0;color:var(--slate);font-size:15px}
.cf-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.cf label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:600;color:var(--ink)}
.cf label small{font-size:inherit;font-weight:400;color:var(--slate)}
.cf input,.cf select,.cf textarea{width:100%;min-height:46px;padding:10px 14px;border:1px solid var(--line);border-radius:12px;background:#FFFFFF;font:inherit;font-size:16px;font-weight:400;color:var(--ink)}
.cf textarea{resize:vertical;min-height:120px}
.cf input:focus,.cf select:focus,.cf textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.18)}
.cf-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.cf-msg{margin:0;padding:10px 14px;border-radius:10px;background:#FEF2F2;color:#B91C1C;font-size:15px}
.cf-form .btn{align-self:flex-start;border:0;cursor:pointer}
.cf-form .btn:disabled{opacity:.7;cursor:default}

/* Footer */
.foot{padding:28px 0;border-top:1px solid var(--line)}
.foot-in{display:flex;flex-wrap:wrap;align-items:center;gap:16px 32px}
.foot nav{display:flex;gap:24px}
.foot nav a{color:var(--slate);text-decoration:none;font-size:15px}
.foot nav a:hover{color:var(--ink)}
.foot p{margin:0 0 0 auto;font-size:14px;color:var(--slate)}

@media (max-width:960px){
  .prod{grid-template-columns:minmax(0,1fr);gap:40px;padding:56px 0}
  .prod-alt .prod-copy{order:0}
  .principles{grid-template-columns:minmax(0,1fr)}
  .principles>div,.principles>div+div{padding:24px 0;border-left:0}
  .principles>div+div{border-top:1px solid var(--line)}
  .next{grid-template-columns:minmax(0,1fr);gap:12px}
}
@media (max-width:760px){
  .nav{display:none}
  .top-in{gap:12px}
  .top-cta{margin-inline-start:auto}
  .menu-btn{display:inline-flex}
}
@media (max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  .top-in{height:64px}
  .top-cta{display:none}
  .menu-btn{margin-inline-start:auto}
  .menu-top{height:64px}
  .hero{padding:80px 0 88px}
  .arc{right:-430px;height:115%;opacity:.28}
  .lead{font-size:18px}
  .hero-cta .btn{flex:1 1 100%}
  .products{padding:72px 0 32px}
  .feat li{grid-template-columns:minmax(0,1fr);gap:2px}
  .kpis{grid-template-columns:repeat(2,minmax(0,1fr))}
  .kpis div:last-child{display:none}
  .approach{padding:72px 0}
  .contact{padding:64px 0}
  .contact-list{width:100%;flex-direction:column;align-items:stretch}
  .contact-list .btn{width:100%}
  .foot p{margin:0}
  .cf-form{padding:20px}
  .cf-row{grid-template-columns:minmax(0,1fr)}
  .cf-form .btn{align-self:stretch}
}

/* Legal pages (/terms, /privacy-policy) */
.legal-head{background:var(--mist);border-bottom:1px solid var(--line);padding:72px 0 48px}
.legal-head h1{margin:0;font-family:'Bricolage Grotesque','Geist',sans-serif;font-weight:700;font-size:clamp(36px,5vw,56px);line-height:1.05;letter-spacing:-.03em}
.legal-head p{margin:14px 0 0;color:var(--slate);font-size:17px;max-width:62ch}
.legal-head .upd{font-size:14px;margin-top:18px}
.legal-wrap{display:grid;grid-template-columns:220px minmax(0,1fr);gap:56px;padding-top:56px;padding-bottom:96px}
.legal-toc{position:sticky;top:96px;align-self:start;display:flex;flex-direction:column;gap:2px;font-size:14px}
.legal-toc b{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--slate);margin-bottom:8px}
.legal-toc a{color:var(--slate);text-decoration:none;padding:5px 0;line-height:1.35}
.legal-toc a:hover{color:var(--ink)}
.legal{max-width:720px}
.legal section{scroll-margin-top:88px;padding-bottom:28px;margin-bottom:28px;border-bottom:1px solid var(--line)}
.legal section:last-child{border-bottom:0}
.legal h2{margin:0 0 12px;font-size:21px;font-weight:600;letter-spacing:-.01em}
.legal h3{margin:18px 0 8px;font-size:16px;font-weight:600}
.legal p{margin:0 0 12px;color:#334155;line-height:1.7}
.legal ul{margin:0 0 12px;padding-inline-start:22px;color:#334155;line-height:1.7}
.legal li{margin-bottom:6px}
.legal li b,.legal p b{color:var(--ink);font-weight:600}
.legal .note{padding:14px 16px;border-radius:12px;background:var(--mist);border:1px solid var(--line);font-size:15px}
.foot-legal{display:flex;gap:20px}
.foot-legal a{color:var(--slate);text-decoration:none;font-size:14px}
.foot-legal a:hover{color:var(--ink)}
@media (max-width:860px){
  .legal-wrap{grid-template-columns:minmax(0,1fr);gap:24px;padding-top:32px;padding-bottom:64px}
  .legal-toc{position:static;flex-direction:row;flex-wrap:wrap;gap:6px 16px;padding-bottom:20px;border-bottom:1px solid var(--line)}
  .legal-toc b{width:100%;margin:0}
  .legal-head{padding:48px 0 32px}
}