/* Corrective Measures Software — site styles
   Palette from the GearDown apps: hangar black, panel grey, GearDown orange. */
:root{
  --black:#0F0F10;
  --panel:#18191B;
  --panel-2:#202124;
  --rule:#2D2E31;
  --ink:#EDEDEE;
  --steel:#A6AAAE;
  --orange:#FA6A04;
  --orange-ink:#FF8A3D;
  --display:"Saira",ui-sans-serif,system-ui,sans-serif;
  --body:"Barlow",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --wrap:1180px;
  --gutter:clamp(20px,4vw,40px);
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--black);color:var(--ink);font-family:var(--body);font-size:18px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--orange-ink)}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:4px}
h1,h2,h3{font-family:var(--display);font-stretch:112%;margin:0;line-height:1.05;letter-spacing:-.005em}
h1{font-weight:800;font-size:clamp(2.6rem,6vw,4.6rem)}
h2{font-weight:800;font-size:clamp(2rem,4vw,3.1rem)}
h3{font-weight:700;font-size:1.3rem;line-height:1.2}
p{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.lede{font-size:1.2rem;color:#C9CBCE;max-width:36em}
.muted{color:var(--steel)}
.small{font-size:.92rem}
.skip{position:absolute;left:-9999px;top:8px;background:var(--orange);color:var(--black);padding:10px 16px;border-radius:6px;z-index:100;font-weight:600}
.skip:focus{left:8px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border-radius:6px;font:600 1rem/1 var(--body);text-decoration:none;cursor:pointer;border:1px solid transparent;transition:background-color .15s,border-color .15s,color .15s}
.btn-primary{background:var(--orange);color:var(--black)}
.btn-primary:hover{background:var(--orange-ink);color:var(--black)}
.btn-line{border-color:#4A4C50;color:var(--ink);background:transparent}
.btn-line:hover{border-color:var(--ink);color:var(--ink)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* Header */
.site-head{position:sticky;top:0;z-index:20;background:rgba(15,15,16,.92);backdrop-filter:saturate(140%) blur(10px);-webkit-backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--rule)}
.site-head .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 24px;min-height:76px;padding-top:10px;padding-bottom:10px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand img{height:38px;width:auto}
.brand span{font-family:var(--display);font-stretch:118%;font-weight:800;font-size:1rem;line-height:1.05}
.brand small{display:block;font-weight:600;font-size:.72rem;color:var(--steel);letter-spacing:.06em}
.nav{display:flex;flex-wrap:wrap;align-items:center;gap:6px 22px;font-weight:500}
.nav a{text-decoration:none;color:#D6D7D9;padding:8px 0}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink);box-shadow:inset 0 -2px 0 var(--orange)}
.nav .btn{padding:0 18px;min-height:42px;box-shadow:none}
.nav .btn:hover{box-shadow:none}
@media (max-width:720px){.site-head .wrap{justify-content:center}.nav{justify-content:center}.brand span{display:none}}

/* Sections */
.section{padding:clamp(72px,10vw,120px) 0}
.section + .section{border-top:1px solid var(--rule)}
.section-alt{background:var(--panel)}
.head-block{max-width:44em;display:flex;flex-direction:column;gap:16px;margin-bottom:clamp(36px,5vw,56px)}

/* Taxiway centreline: the one recurring motif */
.centerline{height:4px;background:repeating-linear-gradient(90deg,var(--orange) 0 28px,transparent 28px 48px);opacity:.9;border-radius:2px;width:100%}

/* Phones */
.phone{border:7px solid #2C2D30;border-radius:30px;background:#000;overflow:hidden;box-shadow:0 28px 60px rgba(0,0,0,.55)}
.phone img{width:100%}
.doc{background:#fff;border-radius:6px;overflow:hidden;box-shadow:0 28px 60px rgba(0,0,0,.55)}

/* Home hero */
.hero{padding:clamp(56px,8vw,96px) 0 clamp(64px,8vw,104px)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:clamp(40px,6vw,80px);align-items:center}
.hero-copy{display:flex;flex-direction:column;gap:24px}
.hero-phones{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:clamp(16px,3vw,32px);align-items:start;padding-top:8px}
.hero-phones::before{content:"";position:absolute;left:50%;top:-24px;bottom:-24px;width:4px;transform:translateX(-50%);background:repeating-linear-gradient(180deg,var(--orange) 0 28px,transparent 28px 48px);opacity:.75}
.open-app{position:relative;display:flex;flex-direction:column;align-items:center;gap:14px;padding:0;margin:0;border:0;background:none;color:inherit;font:inherit;cursor:pointer;text-align:center}
.open-app:nth-child(2){margin-top:56px}
.open-app .phone{width:100%;transition:transform .2s ease,border-color .2s ease}
.open-app:hover .phone{transform:translateY(-4px);border-color:#46484C}
.open-app .tag{white-space:nowrap;display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:.95rem;border:1px solid #4A4C50;border-radius:99px;padding:9px 16px;background:var(--black)}
.open-app .tag svg{color:var(--orange)}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr}.hero-phones{max-width:520px;margin:0 auto}}

/* App chooser */
.apps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.app-card{background:var(--black);border:1px solid var(--rule);border-radius:14px;padding:clamp(24px,4vw,40px);display:flex;flex-direction:column;gap:20px}
.app-card .wordmark{max-width:360px;width:100%}
.app-card .who{font-weight:600;color:var(--steel)}
@media (max-width:820px){.apps{grid-template-columns:1fr}}

/* Check lists */
.checks{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.checks li{display:block;position:relative;padding-left:32px}
.checks li::before{content:"";position:absolute;left:2px;top:0;width:16px;height:9px;border-left:3px solid var(--orange);border-bottom:3px solid var(--orange);transform:rotate(-45deg);margin-top:7px;margin-left:2px}

/* Split rows: copy beside a phone or document */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(36px,6vw,80px);align-items:center}
.split .media{max-width:330px;justify-self:center;width:100%}
.split .media.wide{max-width:520px}
.split .copy{display:flex;flex-direction:column;gap:16px;max-width:34em}
.split.flip .media{order:2}
@media (max-width:820px){.split{grid-template-columns:1fr}.split.flip .media{order:0}}

/* Three-up phones */
.trio{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,2.5vw,28px)}
.trio figure{margin:0;display:flex;flex-direction:column;gap:12px}
.trio figcaption{font-size:.95rem;color:var(--steel)}
.trio figcaption b{display:block;color:var(--ink);font-size:1rem}
@media (max-width:820px){.trio{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.trio{grid-template-columns:1fr;max-width:320px;margin:0 auto}}

/* Job flow: a real sequence, so it is numbered */
.flow{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:clamp(64px,9vw,112px);counter-reset:step}
.flow > li{counter-increment:step}
.flow .copy h3{font-size:clamp(1.5rem,2.6vw,2rem);display:flex;align-items:baseline;gap:14px}
.flow .copy h3::before{content:counter(step);font-size:.9em;color:var(--orange);font-weight:800;min-width:1.2em}

/* Feature grid */
.features{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:36px 32px}
.features > div{display:flex;flex-direction:column;gap:10px}
.features svg{color:var(--orange)}
.features p{color:var(--steel);font-size:1rem}
@media (max-width:980px){.features{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:540px){.features{grid-template-columns:1fr}}

/* Notes and callouts */
.note{border:1px solid var(--rule);border-radius:10px;padding:18px 20px;color:var(--steel);font-size:.95rem;max-width:52em}
.cta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta h2{max-width:16em}

/* Product page hero */
.prod-hero{padding:clamp(56px,8vw,96px) 0}
.prod-hero .split .copy{gap:22px;max-width:36em}
.prod-hero .wordmark{max-width:420px;width:100%}

/* Contact */
.contact{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(36px,6vw,72px);align-items:start}
.form{background:var(--panel);border:1px solid var(--rule);border-radius:14px;padding:clamp(22px,4vw,36px);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.form .full{grid-column:1/-1}
.form label{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:.95rem}
.form input,.form select,.form textarea{font:inherit;font-weight:400;color:var(--ink);background:var(--black);border:1px solid #4A4C50;border-radius:6px;padding:12px 14px;min-height:48px}
.form textarea{resize:vertical;min-height:120px}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--orange);outline-offset:1px;border-color:var(--orange)}
.hp{position:absolute!important;left:-9999px!important}
.contact-lines{display:flex;flex-direction:column;gap:6px;font-size:1.1rem}
@media (max-width:820px){.contact{grid-template-columns:1fr}.form{grid-template-columns:1fr}}

/* Footer */
.site-foot{border-top:1px solid var(--rule);padding:48px 0 40px}
.site-foot .wrap{display:grid;grid-template-columns:auto 1fr auto;gap:28px 48px;align-items:center}
.site-foot img{height:120px;width:auto}
.site-foot nav{display:flex;flex-wrap:wrap;gap:8px 24px}
.site-foot nav a{color:var(--steel);text-decoration:none}
.site-foot nav a:hover{color:var(--ink)}
@media (max-width:760px){.site-foot .wrap{grid-template-columns:1fr;justify-items:start}}

/* Full-screen app viewer */
.viewer{border:0;padding:0;margin:0;width:100%;max-width:100%;height:100%;max-height:100%;background:var(--black);color:var(--ink)}
.viewer::backdrop{background:rgba(0,0,0,.7)}
.viewer[open]{display:flex;flex-direction:column}
.viewer-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px var(--gutter);border-bottom:1px solid var(--rule)}
.viewer-bar img{height:40px;width:auto;max-width:65vw}
.icon-btn{width:48px;height:48px;flex:none;display:inline-flex;align-items:center;justify-content:center;border:1px solid #4A4C50;border-radius:10px;background:var(--panel);color:var(--ink);cursor:pointer}
.icon-btn:hover{border-color:var(--ink)}
.viewer-body{flex:1;overflow:auto;display:grid;grid-template-columns:auto minmax(0,30em);justify-content:center;align-items:center;gap:clamp(28px,5vw,72px);padding:clamp(20px,3vw,40px) var(--gutter)}
.viewer-phone{display:flex;flex-direction:column;align-items:center;gap:16px}
.viewer-phone .phone{width:min(360px,calc((100dvh - 230px) * .47),86vw);min-width:220px}
.pager{display:flex;align-items:center;gap:14px}
.pager .icon-btn{border-radius:99px}
.pager span{min-width:5.5em;text-align:center;color:var(--steel);font-variant-numeric:tabular-nums}
.viewer-copy{display:flex;flex-direction:column;gap:16px}
.viewer-copy h2{font-size:clamp(1.8rem,3.4vw,2.6rem)}
.thumbs{display:flex;flex-wrap:wrap;gap:10px;padding-top:6px}
.thumbs button{width:58px;height:88px;padding:0;border-radius:9px;overflow:hidden;background:#000;border:2px solid #3A3B3F;cursor:pointer}
.thumbs button[aria-current="true"]{border-color:var(--orange)}
.thumbs img{width:100%;height:100%;object-fit:cover;object-position:top}
@media (max-width:820px){.viewer-body{grid-template-columns:1fr;justify-items:center;align-items:start}.viewer-copy{max-width:34em}}

/* Mission */
.mission .slogan{font-size:clamp(2.4rem,6vw,4.4rem);max-width:13em;margin-bottom:36px}
.mission .centerline{margin-bottom:44px}
.mission-body{display:grid;grid-template-columns:minmax(0,14em) minmax(0,1fr);gap:16px 48px;margin-bottom:56px}
.mission-body h3{color:var(--orange);font-size:1.15rem;padding-top:6px}
.mission-text{font-size:clamp(1.2rem,2vw,1.45rem);line-height:1.55;max-width:38em;color:#DCDDDF}
.pillars{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px 40px}
.pillars > div{display:flex;flex-direction:column;gap:12px;padding-top:20px;border-top:2px solid var(--rule)}
.pillars p{color:var(--steel);font-size:1rem}
@media (max-width:900px){.mission-body{grid-template-columns:1fr}.pillars{grid-template-columns:1fr}}