/* SentinelPro marketing site. */

:root{
  --accent:#1b5e9b; --accent-press:#17507f; --accent-soft:#e8f0f8; --on-accent-soft:#163f63; --accent-soft-line:#b9cfe4;
  --accent-on-chrome:#6995bd; --chrome:#23282f;
  --red:#d32f2f; --amber:#ffb400; --green:#2cab0f; --blue:#044caa;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --radius:16px; --r:11px; --r-sm:8px;
  --wrap:1180px;
  --bg:#f4f6f8; --elev:#fff; --panel:#fff; --panel2:#f4f6f8;
  --line:#cbd2da; --line2:#cbd2da;
  --tx:#1a1d21; --tx2:#1a1d21; --mut:#5a6472; --mut2:#5a6472;
  --link:var(--accent);
  --badge-bg:var(--accent-soft); --badge-bd:var(--accent-soft-line); --badge-tx:var(--on-accent-soft);
  --field:#fff; --field-bd:#cbd2da; --grid-a:#fff; --grid-b:#e4e9ee;
  --shadow:0 18px 44px rgba(16,20,26,.12);
  --glow:none;
  --ghost-bd:#cbd2da;
  --fic-bg:var(--accent-soft); --fic-fill:var(--accent);
  --greensoft:#e9f6e6; --on-greensoft:#235214; --greensoft-line:#b4dfa8;
  --redsoft:#fcebeb; --on-redsoft:#7b2020; --redsoft-line:#e9b4b4;
}
.mk-nav,.mk-hero,.mk-pagehead,.mk-band,.mk-foot{
  --bg:var(--chrome); --elev:#2c323a; --panel:#2c323a; --panel2:#333a43;
  --line:#3a424c; --line2:#46505b;
  --tx:#fff; --tx2:#e4e9ee; --mut:#aeb8c4; --mut2:#aeb8c4;
  --link:var(--accent-on-chrome);
  --badge-bg:rgba(105,149,189,.14); --badge-bd:rgba(105,149,189,.42); --badge-tx:#c9dbeb;
  --shadow:0 40px 90px rgba(0,0,0,.45);
  --glow:radial-gradient(900px 520px at 85% -10%,rgba(27,94,155,.45),transparent 60%);
  --ghost-bd:rgba(255,255,255,.24);
  color:var(--tx);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body.mk{
  font-family:var(--font);background:var(--bg);color:var(--tx);
  -webkit-font-smoothing:antialiased;line-height:1.55;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.12;letter-spacing:-.02em}

.mk-wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---- buttons ---- */
.mk-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:700;font-size:14px;border:1px solid transparent;border-radius:10px;padding:11px 18px;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,background .12s ease,border-color .12s ease;white-space:nowrap}
.mk-btn:hover{transform:translateY(-1px)}
.mk-btn-lg{padding:14px 24px;font-size:15px;border-radius:12px}
.mk-btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 22px rgba(27,94,155,.30)}
.mk-btn-primary:hover{background:var(--accent-press)}
.mk-btn-ghost{background:transparent;color:var(--tx);border-color:var(--ghost-bd)}
.mk-btn-ghost:hover{border-color:var(--mut)}
.mk-btn-light{background:#fff;color:var(--accent)}

/* ---- brand lockup ---- */
.mk-brand{display:inline-flex;align-items:center;gap:11px;font-weight:700;letter-spacing:-.3px;font-size:20px}
.mk-mark{width:36px;height:36px;flex:none;display:block}
.mk-mark svg{width:100%;height:100%;display:block}
.mk-brand-tx{display:flex;flex-direction:column;line-height:1.05}
.mk-brand-tx small{color:var(--mut);font-weight:700;font-size:10px;letter-spacing:1.6px;margin-top:3px;text-transform:uppercase}

/* ---- nav ---- */
.mk-nav{position:sticky;top:0;z-index:40;background:var(--bg);border-bottom:1px solid var(--line)}
.mk-nav-in{display:flex;align-items:center;justify-content:space-between;height:72px}
.mk-menu{display:flex;align-items:center;gap:8px}
.mk-link{padding:9px 13px;border-radius:9px;font-weight:600;font-size:14px;color:var(--mut)}
.mk-link:hover{color:var(--tx)}
.mk-link.is-active{color:var(--tx)}
.mk-menu-cta{margin-left:6px}
.mk-burger,.mk-burger-cb{display:none}
.mk-burger svg{width:24px;height:24px;fill:none;stroke:var(--tx);stroke-width:2;stroke-linecap:round}

/* ---- hero ---- */
.mk-hero{position:relative;overflow:hidden;background:var(--bg)}
.mk-hero::before{content:"";position:absolute;inset:0;background:var(--glow)}
.mk-hero-in{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding-block:clamp(40px,6vw,72px) clamp(48px,6vw,72px)}
.mk-badge{display:inline-flex;gap:8px;align-items:center;background:var(--badge-bg);border:1px solid var(--badge-bd);color:var(--badge-tx);font-weight:700;font-size:12.5px;padding:7px 13px;border-radius:999px;margin-bottom:22px}
.mk-badge .mk-dot{width:7px;height:7px;border-radius:50%;background:var(--accent-on-chrome)}
.mk-hero-copy h1{font-size:clamp(34px,5.2vw,57px);line-height:1.04;letter-spacing:-1.4px;font-weight:800}
.mk-em{color:var(--link)}
.mk-lead{color:var(--mut);font-size:clamp(16px,1.5vw,18px);line-height:1.6;margin:22px 0 0;max-width:520px}
.mk-cta-row{display:flex;flex-wrap:wrap;gap:13px;align-items:center;margin-top:28px}
.mk-stats{display:flex;flex-wrap:wrap;gap:40px;margin-top:46px}
.mk-stats b{font-size:29px;font-weight:800;display:block;letter-spacing:-.02em}
.mk-stats span{color:var(--mut2);font-size:12px;font-weight:700;letter-spacing:.4px}

/* ---- hero art ---- */
.mk-hero-art{display:flex;justify-content:center;min-width:0}
.mk-hero-art .mk-device-tablet{width:100%;max-width:600px}

/* ---- trust strip ---- */
.mk-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--elev)}
.mk-strip-in{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding-block:26px}
.mk-strip-in div{display:flex;flex-direction:column;gap:3px}
.mk-strip-in b{font-size:18px;font-weight:800}
.mk-strip-in span{color:var(--mut);font-size:13px}

/* ---- sections ---- */
.mk-section{padding:clamp(56px,7vw,92px) 0}
.mk-section-alt{background:var(--elev)}
.mk-sec-head{max-width:640px;margin:0 auto 44px;text-align:center}
.mk-eyebrow{display:inline-block;font-weight:800;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--link);margin-bottom:14px}
.mk-sec-head h2{font-size:clamp(26px,3.4vw,38px);font-weight:800}
.mk-sec-head p{color:var(--mut);margin-top:12px;font-size:16px}
.mk-pagehead{position:relative;overflow:hidden;padding:clamp(48px,6vw,84px) 0 10px;background:var(--bg)}
.mk-pagehead::before{content:"";position:absolute;inset:0;background:var(--glow)}
.mk-pagehead .mk-wrap{position:relative;z-index:1}
.mk-pagehead h1{font-size:clamp(32px,4.6vw,50px);font-weight:800;letter-spacing:-1px;max-width:780px}
.mk-pagehead .mk-lead{margin-top:16px}

/* feature grid */
.mk-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.mk-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.mk-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:14px}
.mk-feature{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:22px}
.mk-fic{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--fic-bg);font-size:20px;margin-bottom:14px}
.mk-ico{fill:none;stroke:var(--fic-fill);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.mk-soon{display:inline-block;vertical-align:middle;margin-left:4px;padding:2px 8px;border-radius:999px;background:var(--fic-bg);color:var(--fic-fill);font-size:11px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.mk-grid-1{display:grid;gap:12px}
.mk-feature h3{font-size:16px;font-weight:700;margin-bottom:7px}
.mk-feature p{color:var(--mut);font-size:14px;line-height:1.55}
.mk-feature p+p{margin-top:8px}
.mk-feature p a{color:var(--link);text-decoration:underline;text-underline-offset:2px}
.mk-mini{background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:16px}
.mk-mini h4{font-size:15px;margin-bottom:6px}
.mk-mini p{color:var(--mut);font-size:13.5px}

/* steps */
.mk-steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.mk-steps li{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.mk-step-n{display:grid;place-items:center;width:40px;height:40px;border-radius:11px;background:var(--accent);color:#fff;font-weight:800;margin-bottom:14px;box-shadow:0 6px 16px rgba(27,94,155,.25)}
.mk-steps h3{font-size:17px;margin-bottom:8px}
.mk-steps p{color:var(--mut);font-size:14px}

/* split rows with screenshots */
.mk-split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin-bottom:72px}
.mk-split:last-child{margin-bottom:0}
.mk-split-rev .mk-split-copy{order:2}
.mk-split-rev .mk-split-art{order:1}
.mk-split-copy h2{font-size:clamp(24px,3vw,32px);font-weight:800;margin-bottom:12px}
.mk-split-copy>p{color:var(--mut);font-size:16px}
.mk-split-art{min-width:0}
.mk-shot{border:1px solid var(--line2);border-radius:14px;overflow:hidden;box-shadow:var(--shadow);background:var(--panel)}
.mk-shot img{width:100%;height:auto;display:block}
.mk-shot-phone{max-width:300px;margin:0 auto;border-radius:22px}

/* device frames for app screenshots */
.mk-device{position:relative;margin:0 auto;background:linear-gradient(145deg,#3b4048,#1d2126 40%,#2a2f36);box-shadow:0 24px 56px rgba(16,20,26,.22),0 2px 6px rgba(16,20,26,.18),inset 0 0 0 1px rgba(255,255,255,.08)}
:is(.mk-hero,.mk-pagehead,.mk-band) .mk-device{box-shadow:0 36px 80px rgba(0,0,0,.5),inset 0 0 0 1px rgba(255,255,255,.12)}
.mk-device-screen{position:relative;overflow:hidden;background:#000}
.mk-device img{width:100%;height:auto;display:block}
.mk-webshot{width:100%;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}
.mk-device::before{content:"";position:absolute;left:50%;border-radius:50%;background:#0b0d10}
.mk-device-phone{max-width:290px;padding:7px;border-radius:32px}
.mk-device-phone .mk-device-screen{border-radius:25px}
.mk-device-phone::before{top:13px;z-index:1;width:9px;height:9px;margin-left:-4.5px;box-shadow:inset 0 0 0 1.5px #2a2f36}
.mk-device-phone::after{content:"";position:absolute;right:-3px;top:34%;width:3px;height:15%;border-radius:0 2px 2px 0;background:#2a2f36}
.mk-device-tablet{padding:14px;border-radius:26px}
.mk-device-tablet .mk-device-screen{border-radius:12px}
.mk-device-tablet::before{top:4px;width:6px;height:6px;margin-left:-3px;box-shadow:inset 0 0 0 1px #3a3f46}
.mk-device-tablet.is-portrait{max-width:420px}
.mk-ticks{list-style:none;display:grid;gap:10px;margin:18px 0 0}
.mk-ticks li{position:relative;padding-left:28px;color:var(--tx2);font-size:15px}
.mk-ticks li::before{content:"✓";position:absolute;left:0;top:1px;width:19px;height:19px;border-radius:50%;background:var(--green);color:#fff;font-size:12px;font-weight:800;display:grid;place-items:center}

/* showcase band of screenshots */
.mk-showcase{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:8px}
.mk-shot-stage{flex:1;display:grid;place-items:center;padding:28px 24px;background:var(--panel2)}
.mk-showcase .mk-shot{display:flex;flex-direction:column}
.mk-showcase .mk-device-phone{max-width:200px}
.mk-showcase figcaption{padding:12px 16px;color:var(--mut);font-size:13px;border-top:1px solid var(--line)}

/* ---- pricing ---- */
.mk-pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}
.mk-plan{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:28px 24px;display:flex;flex-direction:column}
.mk-plan.is-featured{border-color:transparent;box-shadow:0 30px 70px rgba(27,94,155,.18);outline:2px solid var(--accent);transform:translateY(-6px)}
.mk-plan-name{font-size:20px;font-weight:800}
.mk-plan-tag{color:var(--mut);font-size:14px;margin-top:4px;min-height:40px}
.mk-plan-quote{margin:14px 0 4px;padding:12px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:18px;font-weight:800;color:var(--tx)}
.mk-plan-cta{width:100%;margin:18px 0 6px}
.mk-plan-feats{list-style:none;display:grid;gap:10px;margin:10px 0 0}
.mk-plan-feats li{position:relative;padding-left:26px;color:var(--tx2);font-size:14px}
.mk-plan-feats li::before{content:"✓";position:absolute;left:0;top:1px;width:18px;height:18px;border-radius:50%;background:var(--greensoft);color:var(--on-greensoft);font-size:11px;font-weight:800;display:grid;place-items:center}
.mk-plan-addons{list-style:none;display:grid;gap:16px;margin:10px 0 0}
.mk-plan-addons h4{font-size:15px;font-weight:800;color:var(--tx)}
.mk-plan-addons p{color:var(--tx2);font-size:14px;margin-top:4px}
.mk-pricing-note{text-align:center;color:var(--mut);font-size:14px;margin-top:28px}
.mk-pricing-note a{color:var(--link);font-weight:700}

/* ---- contact ---- */
.mk-contact{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:start}
.mk-contact-aside h3{font-size:20px;margin-bottom:10px}
.mk-contact-aside p{color:var(--mut)}
.mk-contact-aside a{color:var(--link);font-weight:700}
.mk-contact-aside .mk-ticks{margin-top:20px}
.mk-contact-form{background:var(--panel);border:1px solid var(--line2);border-radius:18px;padding:28px;box-shadow:var(--shadow)}
.mk-field{margin-bottom:16px}
.mk-field label{display:block;font-weight:800;font-size:11.5px;letter-spacing:.04em;text-transform:uppercase;color:var(--mut);margin-bottom:8px}
.mk-opt{color:var(--mut2);font-weight:600;text-transform:none;letter-spacing:0}
.mk-field input,.mk-field textarea,.mk-field select{width:100%;font:inherit;font-size:15px;color:var(--tx);background:var(--field);border:1px solid var(--field-bd);border-radius:11px;padding:12px 14px}
.mk-field select{appearance:none;padding-right:40px;background-image:linear-gradient(45deg,transparent 50%,var(--mut) 50%),linear-gradient(135deg,var(--mut) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;background-size:5px 5px;background-repeat:no-repeat}
.mk-field input::placeholder,.mk-field textarea::placeholder{color:var(--mut2)}
.mk-field input:focus,.mk-field textarea:focus,.mk-field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(27,94,155,.22)}
.mk-field textarea{resize:vertical;min-height:120px}
.mk-field-row{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.mk-altcha{margin-bottom:16px}
altcha-widget{--altcha-max-width:100%;--altcha-border-radius:11px;--altcha-border-color:var(--field-bd);--altcha-color-base:var(--field);--altcha-color-base-content:var(--tx);--altcha-color-primary:var(--accent)}
.mk-contact-aside .mk-contact-expect{margin-top:28px}
.mk-form-note{color:var(--mut2);font-size:13px;margin-top:12px}
.mk-form-note a{color:var(--link);font-weight:700}
.mk-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.mk-alert{border-radius:11px;padding:13px 16px;margin-bottom:16px;font-size:14.5px;font-weight:600;border:1px solid}
.mk-alert-ok{background:var(--greensoft);color:var(--on-greensoft);border-color:var(--greensoft-line)}
.mk-alert-err{background:var(--redsoft);color:var(--on-redsoft);border-color:var(--redsoft-line)}

/* ---- band CTA ---- */
.mk-band{position:relative;overflow:hidden;background:var(--bg);border-top:1px solid var(--line)}
.mk-band::before{content:"";position:absolute;inset:0;background:var(--glow)}
.mk-band-in{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:28px;padding-block:clamp(40px,5vw,64px)}
.mk-band h2{font-size:clamp(24px,3vw,32px);font-weight:800}
.mk-band p{color:var(--mut);margin-top:8px;max-width:520px}

/* ---- footer ---- */
.mk-foot{background:var(--bg);border-top:1px solid var(--line);padding:54px 0 0}
.mk-foot-in{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px;padding-bottom:36px}
.mk-foot .mk-brand{margin-bottom:14px}
.mk-foot-blurb{font-size:14px;max-width:340px;color:var(--mut)}
.mk-foot-col h4{color:var(--tx);font-size:12px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px}
.mk-foot-col a{display:block;color:var(--mut);font-size:14px;padding:5px 0}
.mk-foot-col a:hover{color:var(--tx)}
.mk-foot-base{border-top:1px solid var(--line);padding-block:20px;font-size:13px;color:var(--mut2)}

/* ---- legal pages ---- */
.mk-legal{max-width:760px}
.mk-legal h2{font-size:20px;font-weight:800;margin:56px 0 14px}
.mk-legal h2:first-child{margin-top:0}
.mk-legal p,.mk-legal li{color:var(--mut);font-size:16px;line-height:1.7}
.mk-legal p+p{margin-top:14px}
.mk-legal ul{list-style:none;margin:14px 0}
.mk-legal li{position:relative;padding-left:22px}
.mk-legal li::before{content:"";position:absolute;left:4px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--mut)}
.mk-legal li+li{margin-top:14px}
.mk-legal strong{color:var(--tx)}
.mk-legal a{color:var(--link);text-decoration:underline;text-underline-offset:2px}

/* ---- responsive ---- */
@media (max-width:960px){
  .mk-hero-in,.mk-split{grid-template-columns:1fr}
  .mk-split{gap:30px;margin-bottom:52px}
  .mk-split-rev .mk-split-copy{order:0}.mk-split-rev .mk-split-art{order:0}
  .mk-grid-3,.mk-grid-4,.mk-steps,.mk-pricing,.mk-showcase{grid-template-columns:1fr}
  .mk-strip-in{grid-template-columns:repeat(2,1fr)}
  .mk-contact{grid-template-columns:1fr}
  .mk-foot-in{grid-template-columns:1fr 1fr}
  .mk-plan.is-featured{transform:none}
  .mk-hero-art{order:-1}
}
@media (max-width:720px){
  .mk-burger{display:inline-grid;place-items:center;background:transparent;border:1px solid var(--ghost-bd);width:42px;height:42px;border-radius:11px;cursor:pointer}
  .mk-menu{position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:stretch;gap:4px;background:var(--elev);border-bottom:1px solid var(--line);padding:14px 18px;box-shadow:var(--shadow);transform:translateY(-130%);transition:transform .22s ease}
  .mk-burger-cb:checked ~ .mk-menu{transform:translateY(0)}
  .mk-link{padding:12px}
  .mk-menu-cta{margin:6px 0 0}
  .mk-grid-2,.mk-field-row{grid-template-columns:1fr}
  .mk-band-in{flex-direction:column;align-items:flex-start}
  .mk-stats{gap:26px}
}
@media (max-width:440px){
  .mk-strip-in,.mk-foot-in{grid-template-columns:1fr}
}