/* ============================================================
   OpenXel — Design System
   Gradient-mesh marketing language × OpenXel brand palette
   ============================================================ */

:root{
  /* ── Brand & accent ─────────────────────────────────────── */
  --primary:            #2456FF;   /* OpenXel logo blue — the only filled CTA colour */
  --primary-deep:       #1B3FD1;
  --primary-press:      #16309B;
  --primary-soft:       #5B7BFF;
  --primary-subdued:    #C9D5FF;
  --sky:                #007AFF;   /* OpenXel soft blue */
  --brand-dark-900:     #141A2B;   /* featured tier / dashboard chrome */

  /* gradient-mesh stops (the only decorative colours) */
  --cream:   #F7E7D0;
  --sherbet: #F7B37A;
  --lavender:#C9B8FF;
  --ruby:    #EA2261;
  --magenta: #F96BEE;

  /* ── Surface ────────────────────────────────────────────── */
  --canvas:        #FFFFFF;
  --canvas-soft:   #F6F9FC;
  --canvas-cream:  #F5E9D4;
  --hairline:      #E5E8EE;
  --hairline-input:#A8C3DE;

  /* ── Text ───────────────────────────────────────────────── */
  --ink:           #0E1524;   /* deep navy, never pure black */
  --ink-secondary: #1D1D1F;
  --ink-mute:      #5B6478;
  --on-primary:    #FFFFFF;

  /* ── Spacing ────────────────────────────────────────────── */
  --xxs:2px; --xs:4px; --sm:8px; --md:12px; --lg:16px; --xl:24px; --xxl:32px; --huge:64px;

  /* ── Radius ─────────────────────────────────────────────── */
  --r-xs:4px; --r-sm:6px; --r-md:8px; --r-lg:12px; --r-xl:16px; --r-pill:9999px;

  /* ── Elevation ──────────────────────────────────────────── */
  --e1: 0 1px 3px rgba(0,55,112,.08);
  --e2: 0 8px 24px rgba(0,55,112,.08), 0 2px 6px rgba(0,55,112,.04);
  --e3: 0 24px 60px rgba(0,55,112,.12), 0 6px 16px rgba(0,55,112,.05);

  --container: 1200px;
}

/* ── Reset ────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px}
body{
  margin:0;
  background:var(--canvas);
  color:var(--ink);
  font-family:"Inter","SF Pro Text","SF Pro Display",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-weight:300;
  font-size:15px;         /* body-md */
  line-height:1.4;
  letter-spacing:0;
  font-feature-settings:"ss01";
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,figure{margin:0}
ul{padding:0;list-style:none}
table{border-collapse:collapse;width:100%}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:10px 16px;border-radius:0 0 var(--r-md) 0;z-index:100}
.skip-link:focus{left:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:var(--r-xs)}

/* ── Type scale ───────────────────────────────────────────── */
.display-xxl{font-size:56px;font-weight:300;line-height:1.03;letter-spacing:-1.4px}
.display-xl {font-size:48px;font-weight:300;line-height:1.15;letter-spacing:-.96px}
.display-lg {font-size:32px;font-weight:300;line-height:1.1; letter-spacing:-.64px}
.display-md {font-size:26px;font-weight:300;line-height:1.12;letter-spacing:-.26px}
.heading-lg {font-size:22px;font-weight:300;line-height:1.1; letter-spacing:-.22px}
.heading-md {font-size:20px;font-weight:300;line-height:1.4; letter-spacing:-.2px}
.lede{font-size:16px;font-weight:300;line-height:1.55;color:var(--ink-mute);max-width:62ch}
.num{font-feature-settings:"ss01","tnum";font-variant-numeric:tabular-nums;letter-spacing:-.42px}
.eyebrow{
  display:inline-block;font-size:10px;font-weight:400;line-height:1.15;letter-spacing:.1px;
  text-transform:uppercase;color:var(--primary-deep);margin-bottom:var(--lg);
}

/* ── Layout ───────────────────────────────────────────────── */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--xl)}
.section{padding-block:96px}
.section--soft{background:var(--canvas-soft)}
.section__head{max-width:760px;margin-bottom:56px}
.section__head .lede{margin-top:var(--lg)}

/* ── Buttons ──────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:400;line-height:1;letter-spacing:0;
  padding:14px 24px;min-height:44px;border-radius:var(--r-pill);
  border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn--sm{font-size:14px;padding:10px 18px;min-height:40px}
.btn--primary{background:var(--primary);color:var(--on-primary);box-shadow:var(--e1)}
.btn--primary:hover{background:var(--primary-deep);transform:translateY(-1px);box-shadow:var(--e2)}
.btn--primary:active{background:var(--primary-press);transform:translateY(0)}
.btn--secondary{background:var(--canvas);color:var(--primary);border-color:var(--primary)}
.btn--secondary:hover{background:#F2F5FF}
.btn--on-dark{background:var(--canvas);color:var(--brand-dark-900)}
.btn--on-dark:hover{background:#EEF2FF}

.link-on-light{color:var(--primary);font-size:15px}
.nav__signin{color:var(--ink-secondary)}
.nav__signin:hover{color:var(--primary)}
.link-on-light:hover{color:var(--primary-deep)}
.link-arrow::after{content:" →";transition:margin .18s ease}
.link-arrow:hover::after{margin-left:4px}

.pill-tag{
  display:inline-block;background:var(--primary-subdued);color:var(--primary-deep);
  font-size:10px;font-weight:400;line-height:1.15;letter-spacing:.1px;text-transform:uppercase;
  padding:6px 12px;border-radius:var(--r-pill);
}

/* ── Nav ──────────────────────────────────────────────────── */
.nav{position:sticky;top:0;z-index:50;transition:background-color .25s ease,box-shadow .25s ease,backdrop-filter .25s ease}
.nav.is-stuck{background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(14px);box-shadow:0 1px 0 rgba(14,21,36,.07)}
.nav__inner{display:flex;align-items:center;gap:var(--xl);padding-block:var(--lg)}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand__mark{display:inline-flex}
.brand__word{font-size:22px;font-weight:700;letter-spacing:-.7px;color:var(--ink)}
.brand__word span{color:var(--primary)}
.nav__links{display:flex;gap:var(--xl);margin-left:auto}
.nav__links a{font-size:15px;color:var(--ink-secondary);opacity:.9}
.nav__links a:hover{color:var(--primary)}
.nav__actions{display:flex;align-items:center;gap:var(--lg);margin-left:auto}
.nav__toggle{display:none;width:40px;height:40px;border:1px solid var(--hairline);background:var(--canvas);border-radius:var(--r-pill);padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nav__toggle span{display:block;width:16px;height:1.5px;background:var(--ink);transition:transform .2s ease,opacity .2s ease}
.nav__toggle[aria-expanded="true"] span:first-child{transform:translateY(3.25px) rotate(45deg)}
.nav__toggle[aria-expanded="true"] span:last-child{transform:translateY(-3.25px) rotate(-45deg)}

/* ── Hero + gradient mesh ─────────────────────────────────── */
.hero{position:relative;margin-top:-73px;padding-top:145px;padding-bottom:96px;overflow:hidden}
.mesh{position:absolute;inset:0 0 auto 0;height:760px;z-index:-1;pointer-events:none}
.mesh svg{width:100%;height:100%}
.hero__inner{max-width:900px;text-align:left}
.hero__title{margin:var(--xl) 0 0;color:var(--ink)}
.hero__sub{margin-top:var(--xl);font-size:18px;font-weight:300;line-height:1.55;color:var(--ink-secondary);max-width:60ch}
.hero__cta{display:flex;flex-wrap:wrap;gap:var(--md);margin-top:var(--xxl)}
.hero__note{margin-top:var(--lg);font-size:13px;font-weight:400;letter-spacing:-.39px;color:var(--ink-mute)}

/* ── Composited product mockup ────────────────────────────── */
.composite{margin-top:72px}
.composite__grid{display:grid;grid-template-columns:1.05fr 1.15fr .8fr;gap:var(--lg);align-items:stretch}
.panel{min-width:0;background:var(--canvas);border:1px solid var(--hairline);border-radius:var(--r-lg);box-shadow:var(--e2);padding:var(--xl);display:flex;flex-direction:column}
.composite .panel{box-shadow:var(--e3)}
.panel--dark{background:var(--brand-dark-900);border-color:rgba(255,255,255,.08);padding:0;overflow:hidden}
.panel__chrome{display:flex;align-items:center;gap:6px;padding:12px var(--lg);border-bottom:1px solid rgba(255,255,255,.08)}
.panel__chrome i{width:9px;height:9px;border-radius:var(--r-pill);background:rgba(255,255,255,.18)}
.panel__chrome i:first-child{background:var(--ruby)}
.panel__chrome i:nth-child(2){background:var(--sherbet)}
.panel__chrome span{margin-left:auto;font-size:11px;color:rgba(255,255,255,.5);font-family:"JetBrains Mono",ui-monospace,monospace}
.code{margin:0;padding:var(--xl);overflow-x:auto;font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;line-height:1.72;color:#C6D2E6}
.c-key{color:#8FA8FF}.c-str{color:#7FD6B5}.c-fn{color:#F2B27A}.c-num{color:#F98AB8;font-variant-numeric:tabular-nums}

.panel__head{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--md);margin-bottom:var(--lg)}
.panel__eyebrow{font-size:10px;font-weight:400;letter-spacing:.1px;text-transform:uppercase;color:var(--ink-mute)}
.panel__title{font-size:18px;font-weight:300;letter-spacing:-.18px;margin-top:2px}
.panel__metric{font-size:32px;font-weight:300;letter-spacing:-.64px;margin-top:6px}
.panel__delta{font-size:13px;font-weight:400;letter-spacing:-.39px;color:#0F9D6B;margin-top:2px}
.panel--chart .spark{width:100%;height:96px;margin-top:var(--lg)}
.panel--tall{gap:var(--md)}

.chip{display:inline-block;font-size:11px;font-weight:400;padding:3px 9px;border-radius:var(--r-pill);white-space:nowrap}
.chip--ok{background:#E7F6EF;color:#0B7A54}
.chip--wait{background:#FDF0E2;color:#8A5A17}
.chip--live{background:var(--primary-subdued);color:var(--primary-deep)}

.ledger{font-size:14px;font-weight:300;letter-spacing:-.42px;font-feature-settings:"ss01","tnum";font-variant-numeric:tabular-nums}
.ledger th{font-size:10px;font-weight:400;letter-spacing:.1px;text-transform:uppercase;color:var(--ink-mute);text-align:left;padding-bottom:var(--sm);border-bottom:1px solid var(--hairline)}
.ledger td{padding:11px 0;border-bottom:1px solid var(--hairline);white-space:nowrap}
.ledger .num{text-align:right}
.ledger tr:last-child td{border-bottom:0}
.ledger--tight{margin-top:var(--sm)}
.ledger--tight td{padding:8px 0}
.ledger__total{display:flex;justify-content:space-between;margin-top:auto;padding-top:var(--md);border-top:1px solid var(--hairline);font-size:14px;letter-spacing:-.42px;font-variant-numeric:tabular-nums;font-feature-settings:"ss01","tnum"}
.ledger__total span:first-child{color:var(--ink-mute)}

.mini{display:flex;gap:var(--xl);margin-top:auto;padding-top:var(--lg);border-top:1px solid var(--hairline)}
.mini div{display:flex;flex-direction:column;gap:2px}
.mini__k{font-size:10px;text-transform:uppercase;letter-spacing:.1px;color:var(--ink-mute)}
.mini__v{font-size:15px;letter-spacing:-.42px;font-variant-numeric:tabular-nums}

.meter{margin-bottom:var(--md)}
.meter__row{display:flex;justify-content:space-between;font-size:13px;letter-spacing:-.39px;color:var(--ink-secondary);margin-bottom:6px}
.bar{height:6px;border-radius:var(--r-pill);background:#EDF1F7;overflow:hidden}
.bar i{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--primary),var(--sky))}

/* ── Trust strip ──────────────────────────────────────────── */
.strip{padding-block:40px;border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline)}
.strip .container{display:flex;align-items:center;gap:var(--xxl);flex-wrap:wrap}
.strip__label{font-size:13px;letter-spacing:-.39px;color:var(--ink-mute)}
.strip__list{display:flex;flex-wrap:wrap;gap:var(--xxl);margin-left:auto}
.strip__list li{font-size:18px;font-weight:300;letter-spacing:-.2px;color:var(--ink);opacity:.55}

/* ── Cards ────────────────────────────────────────────────── */
.grid{display:grid;gap:var(--lg)}
.grid>*,.composite__grid>*,.split>*,.cream>*{min-width:0}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--canvas);border:1px solid var(--hairline);border-radius:var(--r-lg);
  padding:var(--xxl);box-shadow:var(--e1);
  display:flex;flex-direction:column;gap:var(--md);
  transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--e2)}
.card__idx{font-size:11px;color:var(--primary);letter-spacing:0}
.card p{color:var(--ink-mute);line-height:1.55}
.card--flat{box-shadow:none}
.card--flat:hover{transform:none;box-shadow:var(--e1)}
.card--flat .proof{font-size:13px;letter-spacing:-.39px;color:var(--ink-mute);padding-top:var(--md);border-top:1px solid var(--hairline);margin-top:auto}
.card--flat p:not(.proof){color:var(--ink-secondary)}
.card--cta{background:var(--brand-dark-900);border-color:var(--brand-dark-900);color:var(--on-primary);justify-content:center}
.card--cta p{color:rgba(255,255,255,.7)}
.card--cta .btn{align-self:flex-start;margin-top:var(--sm)}

.ticks{display:flex;flex-direction:column;gap:var(--sm);margin-top:auto;padding-top:var(--sm)}
.ticks li{position:relative;padding-left:22px;font-size:14px;letter-spacing:-.2px;color:var(--ink-secondary)}
.ticks li::before{
  content:"";position:absolute;left:0;top:6px;width:12px;height:7px;
  border-left:1.5px solid var(--primary);border-bottom:1.5px solid var(--primary);transform:rotate(-45deg);
}
.ticks--lg li{font-size:16px;padding-left:26px;margin-bottom:2px}
.ticks--lg li::before{top:7px;width:13px;height:8px}
.ticks--inv li{color:rgba(255,255,255,.82)}
.ticks--inv li::before{border-color:var(--primary-soft)}

/* ── Split section ────────────────────────────────────────── */
.split{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.split__copy .lede{margin-block:var(--lg) var(--xl)}
.split__copy .ticks{margin-bottom:var(--xl)}

/* ── Cream band ───────────────────────────────────────────── */
.cream{
  background:var(--canvas-cream);border-radius:var(--r-lg);padding:var(--huge);
  display:grid;grid-template-columns:1.1fr .9fr;gap:var(--huge);align-items:center;
}
.cream__copy p{color:#5A4B33;margin-top:var(--lg);line-height:1.55;max-width:52ch}
.cream__copy .eyebrow{color:#8A5A17}
.cream__stats{display:flex;gap:var(--xxl);margin:var(--xl) 0}
.cream__stats div{display:flex;flex-direction:column;gap:2px}
.stat{font-size:32px;font-weight:300;letter-spacing:-.64px;color:var(--ink)}
.stat__k{font-size:12px;letter-spacing:-.36px;color:#7A6647}
.modlist{background:var(--canvas);border-radius:var(--r-lg);box-shadow:var(--e2);padding:var(--sm) var(--xl)}
.modlist__row{
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:var(--md);
  padding:14px 0;border-bottom:1px solid var(--hairline);
  font-family:"JetBrains Mono",ui-monospace,monospace;font-size:13px;color:var(--ink-secondary);
}
.modlist__row:last-child{border-bottom:0}
.modlist__row .num{color:var(--ink-mute);font-size:12px}
.modlist__dot{width:8px;height:8px;border-radius:var(--r-pill);background:var(--d)}

/* ── Tiers ────────────────────────────────────────────────── */
.tiers{align-items:stretch}
.tier{
  position:relative;background:var(--canvas);border:1px solid var(--hairline);
  border-radius:var(--r-lg);padding:var(--xxl);display:flex;flex-direction:column;gap:var(--md);box-shadow:var(--e1);
}
.tier--featured{background:var(--brand-dark-900);border-color:var(--brand-dark-900);color:var(--on-primary);box-shadow:var(--e2)}
.tier__badge{
  position:absolute;top:var(--xxl);right:var(--xxl);
  background:rgba(255,255,255,.12);color:#fff;font-size:10px;text-transform:uppercase;letter-spacing:.1px;
  padding:4px 8px;border-radius:var(--r-pill);
}
.tier__price{font-size:26px;font-weight:300;letter-spacing:-.26px;display:flex;flex-direction:column;gap:2px}
.tier__price span{font-size:12px;letter-spacing:-.36px;color:var(--ink-mute)}
.tier--featured .tier__price span{color:rgba(255,255,255,.6)}
.tier__desc{color:var(--ink-mute);line-height:1.55}
.tier--featured .tier__desc{color:rgba(255,255,255,.72)}
.tier__cta{margin-top:var(--xl);align-self:stretch}

/* ── CTA band ─────────────────────────────────────────────── */
.cta{position:relative;padding-block:112px;overflow:hidden;text-align:center}
.mesh--cta{height:100%}
.cta__inner{max-width:820px}
.cta .lede{margin:var(--lg) auto 0}
.contactform{
  display:grid;grid-template-columns:1fr 1fr;gap:var(--lg);
  margin-top:var(--xxl);text-align:left;
  background:rgba(255,255,255,.88);backdrop-filter:saturate(140%) blur(10px);
  border:1px solid var(--hairline);border-radius:var(--r-lg);padding:var(--xxl);box-shadow:var(--e2);
}
.field{display:flex;flex-direction:column;gap:6px}
.field--wide{grid-column:1/-1}
.field label{font-size:13px;letter-spacing:-.39px;color:var(--ink-mute)}
.field input,.field textarea{
  background:var(--canvas);color:var(--ink);font-size:15px;font-weight:300;
  padding:10px var(--md);min-height:40px;border-radius:var(--r-sm);
  border:1px solid var(--hairline-input);transition:border-color .18s ease,box-shadow .18s ease;resize:vertical;
}
.field input::placeholder,.field textarea::placeholder{color:#9AA6B8}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(36,86,255,.14)}
.field--submit{flex-direction:row;align-items:center;gap:var(--lg);flex-wrap:wrap}
.formnote{font-size:13px;letter-spacing:-.39px;color:var(--ink-mute)}
.formnote.is-ok{color:#0B7A54}
.formnote.is-err{color:var(--ruby)}

/* ── Footer ───────────────────────────────────────────────── */
.footer{background:var(--canvas);border-top:1px solid var(--hairline);padding-block:var(--huge) var(--xxl)}
.footer__grid{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:var(--xxl)}
.footer__tag{margin-top:var(--md);font-size:13px;letter-spacing:-.39px;color:var(--ink-mute);max-width:30ch}
.footer__col{display:flex;flex-direction:column;gap:10px}
.footer__col h4{font-size:10px;font-weight:400;text-transform:uppercase;letter-spacing:.1px;color:var(--ink);margin-bottom:2px}
.footer__col a{font-size:13px;letter-spacing:-.39px;color:var(--ink-mute)}
.footer__col a:hover{color:var(--primary)}
.footer__legal{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:var(--md);
  margin-top:56px;padding-top:var(--xl);border-top:1px solid var(--hairline);
  font-size:13px;letter-spacing:-.39px;color:var(--ink-mute);
}
.footer__legal a:hover{color:var(--primary)}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:1200px){
  .composite__grid{grid-template-columns:1fr 1fr}
  .panel--chart{display:none}          /* tablet: composite simplifies to two panels */
}
@media (max-width:1024px){
  .display-xxl{font-size:48px;letter-spacing:-1.1px}
  .display-xl{font-size:40px;letter-spacing:-.8px}
  .section{padding-block:72px}
  .grid--3,.grid--4{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:var(--huge)}
  .cream{grid-template-columns:1fr;gap:var(--xxl);padding:var(--xxl)}
  .footer__grid{grid-template-columns:1fr 1fr 1fr}
  .footer__brand{grid-column:1/-1}
  .nav__links{display:none}
  .nav__toggle{display:flex}
  .nav__links.is-open{
    display:flex;flex-direction:column;gap:var(--lg);
    position:absolute;left:var(--xl);right:var(--xl);top:72px;
    background:var(--canvas);border:1px solid var(--hairline);border-radius:var(--r-lg);
    box-shadow:var(--e2);padding:var(--xl);margin:0;
  }
}
@media (max-width:768px){
  .display-xxl{font-size:36px;letter-spacing:-.9px}
  .display-xl{font-size:32px;letter-spacing:-.64px}
  .display-lg{font-size:26px;letter-spacing:-.26px}
  .display-md{font-size:22px;letter-spacing:-.22px}
  .hero{margin-top:-69px;padding-top:104px;padding-bottom:64px}
  .hero__sub{font-size:16px}
  .mesh{height:620px}
  .composite{margin-top:48px}
  .composite__grid{grid-template-columns:1fr}
  .panel--dark,.panel--chart{display:none}      /* mobile shows the single most actionable panel */
  .panel{padding:var(--lg)}
  .ledger{font-size:13px;letter-spacing:-.39px}
  .ledger th{font-size:9px}
  .ledger td{padding:10px 0}
  .ledger__total{font-size:13px}
  .grid--3,.grid--4{grid-template-columns:1fr}
  .tiers{gap:var(--md)}
  .strip .container{gap:var(--lg)}
  .strip__list{margin-left:0;gap:var(--lg)}
  .strip__list li{font-size:15px}
  .contactform{grid-template-columns:1fr;padding:var(--xl)}
  .cta{padding-block:72px}
  .footer__grid{grid-template-columns:1fr 1fr}
  .btn{min-height:44px}
  .nav__signin{display:none}
  .nav__links.is-open{left:var(--lg);right:var(--lg)}
  .section__head{margin-bottom:var(--xxl)}
  .cream__stats{gap:var(--xl)}
}
@media (max-width:480px){
  .hero__cta{flex-direction:column;align-items:stretch}
  .hero__cta .btn{width:100%}
  .footer__grid{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}
@media print{
  .nav,.cta,.composite{display:none}
  body{color:#000}
}