/* ==========================================================================
   InsightLab Smart Buildings — site styles
   Palette locked to brand navy/blue. Type: Instrument Sans + IBM Plex Mono.
   ========================================================================== */

@property --p { syntax: '<number>'; inherits: false; initial-value: 0; }

:root{
  /* brand (locked) */
  --navy:#0d1728; --navy2:#121f34; --navy3:#1b2942;
  --blue:#004aad; --blue-hi:#0a5ed6; --blue-lo:#003d90; --sky:#e9f1fc;
  --green:#2a8c6a; --yellow:#e5b84b; --orange:#d98324; --magenta:#a12b66; --cyan:#418fb8;

  /* neutrals */
  --ink:#101a2b; --ink2:#2e3a4e; --muted:#5a6577;
  --line:#e3e9f1; --line2:#eff3f8; --paper:#f6f8fb; --white:#fff;

  /* on dark */
  --on-dark:#c9d6e8; --on-dark-mute:#93a5c0; --accent-dark:#8ab3ea;

  --max:1180px;
  --r-sm:10px; --r:14px; --r-lg:20px; --r-xl:28px; --radius:20px;

  --sh-1:0 1px 2px rgba(13,23,40,.05);
  --sh-2:0 2px 6px rgba(13,23,40,.05), 0 10px 24px rgba(13,23,40,.06);
  --sh-3:0 18px 50px rgba(8,27,54,.14);
  --shadow:var(--sh-3);

  --ease:cubic-bezier(.22,1,.36,1);
  --ease-io:cubic-bezier(.4,0,.2,1);

  --sans:"Instrument Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Helvetica,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}

/* --------------------------------------------------------------- base ---- */
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:104px;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--sans);color:var(--ink);background:#fff;
  line-height:1.65;font-size:16px;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
[hidden]{display:none!important}
h1,h2,h3,h4{text-wrap:balance}
p{text-wrap:pretty}
::selection{background:var(--blue);color:#fff}

.container{width:min(var(--max),calc(100% - 48px));margin-inline:auto}

:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:6px}
.hero :focus-visible,.section.dark :focus-visible,.article-hero :focus-visible,.footer :focus-visible{outline-color:var(--accent-dark)}

.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;transform:translateY(-160%);
  background:var(--navy);color:#fff;padding:12px 18px;border-radius:var(--r-sm);
  font-weight:650;font-size:14px;transition:transform .25s var(--ease);
}
.skip-link:focus-visible{transform:none}

/* ------------------------------------------------------------ keyframes -- */
@keyframes il-rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@keyframes il-fade{from{opacity:0}to{opacity:1}}
@keyframes il-grid{to{background-position:64px 64px}}
@keyframes il-orb{
  0%{transform:translate3d(0,0,0) scale(1)}
  100%{transform:translate3d(-6%,5%,0) scale(1.18)}
}
@keyframes il-orb2{
  0%{transform:translate3d(0,0,0) scale(1.1)}
  100%{transform:translate3d(7%,-4%,0) scale(.95)}
}
@keyframes il-sweep{0%{transform:translateX(-120%)}100%{transform:translateX(220%)}}
@keyframes il-pop{0%{transform:scale(.94);opacity:0}100%{transform:scale(1);opacity:1}}
@keyframes il-slide-up{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@keyframes il-pulse{0%,100%{opacity:.55;transform:scale(1)}50%{opacity:1;transform:scale(1.35)}}

/* ------------------------------------------------- scroll reveal system -- */
.il-js [data-reveal]{
  opacity:0;transform:translateY(22px);
  transition:opacity .7s var(--ease) var(--d,0ms),transform .7s var(--ease) var(--d,0ms);
}
.il-js [data-reveal].is-in{opacity:1;transform:none}

/* ------------------------------------------------------------- header ---- */
.header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.9);backdrop-filter:blur(16px) saturate(1.5);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease-io),box-shadow .3s var(--ease-io),background .3s;
}
.header.is-scrolled{border-bottom-color:rgba(13,23,40,.08);box-shadow:0 6px 24px rgba(13,23,40,.05)}
.header-inner{
  height:80px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  transition:height .3s var(--ease-io);
}
.header.is-scrolled .header-inner{height:66px}
.brand{display:inline-flex;align-items:center}
.brand img{width:178px;height:auto;transition:transform .3s var(--ease),width .3s var(--ease-io)}
.brand:hover img{transform:scale(1.02)}
.header.is-scrolled .brand img{width:158px}

.site-nav{display:flex;gap:32px;align-items:center}
.site-nav a{
  position:relative;font-weight:600;font-size:14.5px;letter-spacing:-.005em;
  padding:6px 1px;transition:color .2s;
}
.site-nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  background:var(--blue);border-radius:2px;transition:right .4s var(--ease);
}
.site-nav a:hover{color:var(--blue)}
.site-nav a:hover::after,.site-nav a[aria-current="page"]::after{right:0}
.site-nav a[aria-current="page"]{color:var(--blue)}

/* reading progress rail (article pages) */
.read-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;background:transparent;overflow:hidden;
}
.read-progress i{
  display:block;height:100%;width:var(--w,0%);
  background:linear-gradient(90deg,var(--blue),var(--cyan));transition:width .1s linear;
}

.menu-toggle{
  display:none;border:0;background:transparent;padding:10px;cursor:pointer;
  border-radius:var(--r-sm);
}
.menu-toggle span{
  display:block;width:24px;height:2px;background:var(--ink);border-radius:2px;margin:5px 0;
  transition:transform .32s var(--ease),opacity .2s var(--ease-io);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;transform:scaleX(.4)}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* --------------------------------------------------------------- hero ---- */
.hero{
  position:relative;isolation:isolate;overflow:hidden;
  background:var(--navy);color:#fff;padding:60px 0 64px;
}
.hero::before{
  content:"";position:absolute;inset:-2px;z-index:-2;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(115% 95% at 12% 0%,#000 18%,transparent 78%);
  mask-image:radial-gradient(115% 95% at 12% 0%,#000 18%,transparent 78%);
  animation:il-grid 26s linear infinite;
}
.hero::after{
  content:"";position:absolute;z-index:-1;width:760px;height:760px;
  right:-200px;top:-300px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,110,225,.34),rgba(20,110,225,0) 66%);
  animation:il-orb 20s var(--ease-io) infinite alternate;
}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center}
.hero h1{
  font-size:clamp(34px,4.1vw,56px);line-height:1.04;letter-spacing:-.04em;
  margin:.1em 0 .28em;font-weight:600;
}
.article-hero h1{
  font-size:clamp(31px,3.7vw,50px);line-height:1.06;letter-spacing:-.038em;
  margin:.12em 0 .3em;font-weight:600;
}
.hero p:not([class]){color:var(--on-dark);font-size:17.5px;max-width:620px}
.hero p:not([class])+p:not([class]){margin-top:12px}

/* community strip in the hero */
.hero-note{
  font-size:14px;color:var(--on-dark-mute);max-width:560px;
  margin:18px 0 0;line-height:1.6;
}
.hero-community{
  display:flex;gap:14px;align-items:flex-start;margin:24px 0 0;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r);padding:16px 18px;max-width:620px;
}
.hero-community .dot{
  flex:none;width:8px;height:8px;border-radius:50%;background:var(--green);margin-top:8px;
  animation:il-pulse 2.6s var(--ease-io) infinite;
}
.hero-community p{font-size:14.5px;color:var(--on-dark);margin:0;max-width:none}
.hero-community strong{color:#fff;font-weight:600}
.hero-proof{
  display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:22px;
  font-family:var(--mono);font-size:11px;text-transform:uppercase;
  letter-spacing:.12em;color:var(--on-dark-mute);
}
.hero-proof span{display:flex;align-items:center;gap:8px}
.hero-proof span::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--accent-dark)}

.il-js .hero>.container>div>*{animation:il-rise .8s var(--ease) both}
.il-js .hero>.container>div>*:nth-child(1){animation-delay:.05s}
.il-js .hero>.container>div>*:nth-child(2){animation-delay:.13s}
.il-js .hero>.container>div>*:nth-child(3){animation-delay:.21s}
.il-js .hero>.container>div>*:nth-child(4){animation-delay:.29s}
.il-js .hero>.container>div>*:nth-child(5){animation-delay:.37s}

.hero-visual{
  border-radius:var(--r-xl);overflow:hidden;position:relative;min-height:400px;
  box-shadow:0 34px 80px rgba(0,0,0,.34);
  border:1px solid rgba(255,255,255,.1);
}
.il-js .hero-visual{animation:il-pop 1.1s var(--ease) both .18s}
.hero-visual img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transform:scale(1.02)}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,16,32,.1) 0%,transparent 32%,rgba(5,14,30,.8));
}

.signal-card{
  position:absolute;z-index:2;left:22px;right:22px;bottom:22px;
  background:rgba(9,21,41,.82);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);padding:20px;backdrop-filter:blur(10px);
}
.signal-card strong{
  display:block;font-family:var(--mono);font-size:11.5px;text-transform:uppercase;
  letter-spacing:.13em;color:#9fb8d7;font-weight:500;
}
.signal-card strong::before{
  content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--green);margin-right:8px;vertical-align:middle;
  animation:il-pulse 2.4s var(--ease-io) infinite;
}
.signal-bars{display:grid;gap:11px;margin-top:14px}
.signal-row{display:grid;grid-template-columns:132px 1fr;gap:12px;align-items:center;font-size:13px}
.bar{height:7px;border-radius:9px;background:rgba(255,255,255,.14);overflow:hidden}
.bar i{height:100%;display:block;background:#fff;border-radius:9px;transition:width 1.1s var(--ease)}

/* ------------------------------------------------------- shared pieces --- */
.eyebrow,p.eyebrow{
  font-family:var(--mono);font-size:10.5px;font-weight:500;text-transform:uppercase;
  letter-spacing:.16em;color:var(--blue);margin:0 0 14px;line-height:1.5;
}
.hero .eyebrow,.article-hero .eyebrow,.section.dark .eyebrow{color:var(--accent-dark)}
.section-intro,p.section-intro{max-width:780px;font-size:17px;color:var(--muted);margin-bottom:34px}
.disclaimer,p.disclaimer{
  font-size:12.5px;color:var(--muted);line-height:1.6;
  border-left:3px solid var(--line);padding-left:14px;margin-top:24px;
}

.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.btn{
  position:relative;overflow:hidden;appearance:none;
  border:1px solid transparent;border-radius:var(--r);
  padding:14px 20px;font-family:inherit;font-weight:650;font-size:14.5px;
  cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;letter-spacing:-.005em;
  transition:transform .2s var(--ease),box-shadow .28s var(--ease),
             background .22s var(--ease-io),border-color .22s,color .22s,opacity .2s;
}
.btn::after{
  content:"";position:absolute;top:0;bottom:0;width:36%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent);
  transform:translateX(-120%);pointer-events:none;
}
.btn:hover::after{animation:il-sweep .8s var(--ease) forwards}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.985)}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}
.btn[disabled]::after{display:none}

.btn-primary{background:var(--blue);color:#fff;box-shadow:0 5px 14px rgba(0,74,173,.24)}
.btn-primary:hover{background:var(--blue-hi);box-shadow:0 12px 26px rgba(0,74,173,.3)}
.hero .btn-primary{background:#fff;color:var(--navy);box-shadow:0 8px 22px rgba(0,0,0,.24)}
.hero .btn-primary:hover{background:#fff;box-shadow:0 14px 34px rgba(0,0,0,.32)}
.btn-secondary{background:rgba(255,255,255,.04);color:#fff;border-color:rgba(255,255,255,.32)}
.btn-secondary:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6)}
.btn-dark{background:var(--navy);color:#fff;box-shadow:0 5px 14px rgba(13,23,40,.2)}
.btn-dark:hover{background:var(--navy3);box-shadow:0 12px 26px rgba(13,23,40,.24)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:#b9c9de;background:var(--paper)}

/* ------------------------------------------------------------ sections --- */
.section{padding:78px 0}
.section.alt{background:var(--paper);border-block:1px solid var(--line2)}
.section.dark{position:relative;isolation:isolate;overflow:hidden;background:var(--navy);color:#fff}
.section.dark::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(100% 120% at 85% 10%,#000,transparent 72%);
  mask-image:radial-gradient(100% 120% at 85% 10%,#000,transparent 72%);
}
.section.dark::after{
  content:"";position:absolute;z-index:-1;width:600px;height:600px;left:-180px;bottom:-280px;
  border-radius:50%;background:radial-gradient(circle,rgba(20,110,225,.3),transparent 66%);
  animation:il-orb2 24s var(--ease-io) infinite alternate;
}
.section h2{font-size:clamp(27px,3.1vw,40px);line-height:1.08;letter-spacing:-.034em;margin:0 0 18px;font-weight:600}
.section-intro{max-width:780px;font-size:17px;color:var(--muted);margin-bottom:34px}
.section.dark .section-intro,.dark .section-intro{color:var(--on-dark)}

/* --------------------------------------------------------------- cards --- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .38s var(--ease),box-shadow .38s var(--ease),border-color .3s var(--ease-io);
}
.card:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:#cedbec}
.card h3{font-size:19.5px;line-height:1.26;margin:12px 0;letter-spacing:-.02em;font-weight:600}
.card p:not([class]){color:var(--muted);margin:0;font-size:15px}
.card-meta{
  font-family:var(--mono);font-size:10.5px;font-weight:500;text-transform:uppercase;
  letter-spacing:.13em;color:var(--blue);
}
.card-link{
  display:inline;margin-top:20px;
  color:var(--blue);font-weight:650;font-size:14.5px;
  transition:color .2s;
}
.card>.card-link,.card-content>.card-link{display:inline-block}
.card-link [aria-hidden]{display:inline-block;transition:transform .32s var(--ease)}
.card:hover .card-link{color:var(--blue-hi)}
.card:hover .card-link [aria-hidden]{transform:translateX(5px)}

.image-card{padding:0;overflow:hidden}
.image-card img{width:100%;height:212px;object-fit:cover;transition:transform .8s var(--ease)}
.image-card:hover img{transform:scale(1.055)}
.image-card .card-content{padding:26px}

/* -------------------------------------------------------------- pillars -- */
.pillars{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:38px}
.pillar{
  position:relative;overflow:hidden;border-radius:var(--r);padding:26px 20px 22px;
  background:#fff;border:1px solid var(--line);min-height:184px;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .3s;
}
.pillar::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:var(--accent,var(--blue));transition:height .3s var(--ease);
}
.pillar::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:0;
  background:linear-gradient(180deg,color-mix(in oklab,var(--accent,var(--blue)) 9%,transparent),transparent 55%);
  transition:opacity .35s var(--ease-io);
}
.pillar:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:#cedbec}
.pillar:hover::before{height:6px}
.pillar:hover::after{opacity:1}
.pillar .num{
  font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.12em;
  color:var(--accent,var(--muted));
}
.pillar h3{font-size:17.5px;margin:22px 0 8px;letter-spacing:-.018em;font-weight:600}
.pillar p{font-size:14px;color:var(--muted);margin:0}
.pillar{outline-offset:3px}
.pillar-face{position:relative;display:grid;margin-top:2px}
.pillar-face>p{grid-area:1/1;margin:0;font-size:14px;line-height:1.5;transition:opacity .34s var(--ease),transform .34s var(--ease)}
.pillar .pillar-q{color:var(--muted)}
.pillar .pillar-a{color:var(--ink);font-weight:500;opacity:0;transform:translateY(9px)}
.pillar:hover .pillar-q,.pillar:focus-visible .pillar-q{opacity:0;transform:translateY(-9px)}
.pillar:hover .pillar-a,.pillar:focus-visible .pillar-a{opacity:1;transform:none}
.pillar:hover .num,.pillar:focus-visible .num{color:var(--accent)}
@media (hover:none){
  .pillar-q{opacity:0;transform:translateY(-9px)}
  .pillar-a{opacity:1;transform:none}
}

.consent-block{margin:18px 0}
.consent-block .consent{margin:0}
.consent-links{display:block;margin-top:10px}
.consent-links a{color:var(--blue);text-decoration:underline;text-underline-offset:2px}
.consent-links a:hover{color:var(--blue-hi)}
.consent-toggle{
  appearance:none;border:0;background:none;padding:0;margin:0;cursor:pointer;
  font:inherit;color:var(--muted);text-decoration:underline;text-underline-offset:2px;
  text-decoration-color:rgba(90,101,119,.4);
}
.consent-toggle:hover{color:var(--ink2);text-decoration-color:currentColor}

.calendly-embed{
  margin:26px 0 8px;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;background:var(--paper);min-height:700px;
}
.calendly-inline-widget{min-width:320px;height:720px}

.pillar.energy{--accent:var(--yellow)}
.pillar.operations{--accent:var(--magenta)}
.pillar.experience{--accent:var(--orange)}
.pillar.sustainability{--accent:var(--green)}
.pillar.asset{--accent:var(--cyan)}

/* ------------------------------------------------------------ articles --- */
.article-hero{position:relative;isolation:isolate;overflow:hidden;background:var(--navy);color:#fff;padding:84px 0 72px}
.article-hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:60px 60px;
  -webkit-mask-image:radial-gradient(110% 100% at 8% 0%,#000 12%,transparent 74%);
  mask-image:radial-gradient(110% 100% at 8% 0%,#000 12%,transparent 74%);
}
.article-hero::after{
  content:"";position:absolute;z-index:-1;width:620px;height:620px;right:-200px;top:-260px;
  border-radius:50%;background:radial-gradient(circle,rgba(20,110,225,.28),transparent 66%);
  animation:il-orb 22s var(--ease-io) infinite alternate;
}
.article-hero .wrap{max-width:920px}
.article-hero p:not([class]){font-size:18.5px;color:var(--on-dark);max-width:850px}
.il-js .article-hero .wrap>*{animation:il-rise .75s var(--ease) both}
.il-js .article-hero .wrap>*:nth-child(2){animation-delay:.08s}
.il-js .article-hero .wrap>*:nth-child(3){animation-delay:.16s}
.il-js .article-hero .wrap>*:nth-child(4){animation-delay:.24s}

.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 288px;gap:72px;padding:76px 0}
.article-body{max-width:760px}
.article-body h2{font-size:31px;line-height:1.16;margin:52px 0 14px;letter-spacing:-.028em;font-weight:600}
.article-body h3{font-size:22px;margin:40px 0 12px;letter-spacing:-.02em;font-weight:600}
.article-body p:not([class]){font-size:17px;color:var(--ink2);line-height:1.72}
.article-body ul{padding-left:4px;list-style:none}
.article-body li{position:relative;margin:12px 0;color:var(--ink2);padding-left:26px;font-size:17px}
.article-body li::before{
  content:"";position:absolute;left:4px;top:.62em;width:7px;height:7px;border-radius:2px;
  background:var(--blue);opacity:.85;
}
.article-body .callout{
  background:var(--sky);border-radius:var(--r);padding:26px 28px;margin:34px 0;
  border-left:3px solid var(--blue);
}
.article-body .callout p:last-child,.article-body .callout ul:last-child{margin-bottom:0}
.article-body a:not(.btn){
  color:var(--blue);font-weight:600;
  background:linear-gradient(var(--blue),var(--blue)) no-repeat left 100%/0% 1.5px;
  transition:background-size .35s var(--ease),color .2s;
}
.article-body a:not(.btn):hover{color:var(--blue-hi);background-size:100% 1.5px}
.source-note{
  font-size:13.5px!important;color:var(--muted)!important;
  border-left:3px solid var(--blue);padding-left:16px;margin-top:34px;
}

.aside-card{
  position:sticky;top:112px;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;background:#fff;box-shadow:var(--sh-1);height:max-content;
}
.aside-card h3{font-size:17px;margin:0 0 4px;letter-spacing:-.018em}
.aside-card a{
  display:block;color:var(--blue);font-weight:600;
  margin:14px 0;font-size:14.5px;
  transition:transform .28s var(--ease),color .2s;
}
.aside-card a:hover{transform:translateX(4px);color:var(--blue-hi)}

.metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:28px 0}
.metric{
  background:var(--paper);border:1px solid var(--line2);border-radius:var(--r);padding:22px;
  transition:transform .3s var(--ease),border-color .3s;
}
.metric:hover{transform:translateY(-3px);border-color:var(--line)}
.metric strong{
  font-size:30px;display:block;color:var(--navy);line-height:1.1;
  letter-spacing:-.03em;font-variant-numeric:tabular-nums;
}

/* ---------------------------------------------------------------- tools -- */
.tool-shell{padding:68px 0 96px;background:linear-gradient(180deg,var(--paper),#fff 62%)}
.tool-card{
  max-width:860px;margin:auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-xl);box-shadow:var(--sh-2);padding:38px;
}
.il-js .tool-card{animation:il-slide-up .7s var(--ease) both}
.tool-card h1{font-size:clamp(27px,3.4vw,37px);line-height:1.1;letter-spacing:-.034em;font-weight:600;margin:.1em 0 .4em}
.tool-card>p:not([class]){color:var(--muted);font-size:16.5px}

.progress{height:6px;background:#e9eef4;border-radius:8px;overflow:hidden;margin:20px 0 32px}
.progress span{
  display:block;height:100%;border-radius:8px;
  background:linear-gradient(90deg,var(--blue),var(--cyan));
  transition:width .45s var(--ease);
}

.option-grid{display:grid;gap:12px;margin:26px 0}
.option{
  display:flex;gap:14px;align-items:flex-start;
  border:1px solid var(--line);border-radius:var(--r);padding:18px;
  cursor:pointer;background:#fff;min-height:56px;
  transition:border-color .22s,background .22s,transform .22s var(--ease),box-shadow .28s var(--ease);
}
.il-js .option{animation:il-rise .42s var(--ease) both}
.il-js .option:nth-child(2){animation-delay:.06s}
.il-js .option:nth-child(3){animation-delay:.12s}
.option:hover{border-color:#9dbfe8;background:#f8fbfe;transform:translateY(-1px)}
.option.selected{
  border-color:var(--blue);background:#f1f7fe;
  box-shadow:inset 0 0 0 1px var(--blue),0 4px 14px rgba(0,74,173,.1);
}
.option input{position:absolute;opacity:0;width:22px;height:22px;margin:0;cursor:pointer}
.option:focus-within{border-color:var(--blue)}
.option input:focus-visible+.mark{outline:2px solid var(--blue);outline-offset:3px}
.option span{font-size:15.5px}

.question-title{font-size:clamp(21px,2.4vw,26px);line-height:1.26;margin:12px 0 4px;letter-spacing:-.024em;font-weight:600}
.tool-nav{display:flex;justify-content:space-between;gap:12px;margin-top:28px}

.result-score{display:grid;grid-template-columns:180px 1fr;gap:30px;align-items:center}
.score-circle{
  position:relative;width:160px;height:160px;border-radius:50%;
  display:grid;place-items:center;background:var(--navy);color:#fff;
  font-size:46px;font-weight:650;letter-spacing:-.04em;
  font-variant-numeric:tabular-nums;box-shadow:0 14px 34px rgba(13,23,40,.24);
}
.score-circle::after{
  content:"";position:absolute;inset:-11px;border-radius:50%;pointer-events:none;
  background:conic-gradient(from -90deg,var(--blue) calc(var(--p,0) * 1%),rgba(13,23,40,.09) 0);
  -webkit-mask:radial-gradient(circle,transparent 0 79px,#000 79px);
  mask:radial-gradient(circle,transparent 0 79px,#000 79px);
  transition:--p 1.3s var(--ease);
}
.score-circle small{font-size:14px;display:block;font-weight:500;opacity:.7;letter-spacing:0}
.score-bars{display:grid;gap:14px;margin:28px 0}
.score-bar{display:grid;grid-template-columns:210px 1fr 44px;gap:14px;align-items:center;font-size:14.5px}
.score-bar .bar{background:#e8edf4;height:10px}
.score-bar .bar i{background:linear-gradient(90deg,var(--blue),var(--cyan))}
.score-bar strong{font-family:var(--mono);font-size:13px;font-weight:500;color:var(--muted);text-align:right}

/* ---------------------------------------------------------------- forms -- */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.field label{display:block;font-weight:600;font-size:13.5px;margin-bottom:7px;color:var(--ink2)}
.field input,.field select,.field textarea{
  width:100%;padding:14px;border:1px solid #ccd6e3;border-radius:var(--r-sm);
  font:inherit;font-size:15.5px;background:#fff;color:var(--ink);
  transition:border-color .2s,box-shadow .22s var(--ease-io),background .2s;
}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#a8bbd2}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(0,74,173,.12);
}
.field input:user-invalid,.field textarea:user-invalid{border-color:#c0392b;box-shadow:0 0 0 4px rgba(192,57,43,.1)}
.field textarea{min-height:120px;resize:vertical}
.field.full{grid-column:1/-1}

.consent{
  display:flex;gap:14px;align-items:flex-start;background:var(--paper);
  border:1px solid var(--line2);border-radius:var(--r);padding:18px;margin:18px 0;
  transition:border-color .2s,background .2s;
}
.consent:hover{border-color:var(--line)}
.consent input{margin-top:3px;width:20px;height:20px;accent-color:var(--blue);flex:none;cursor:pointer}
.consent span{font-size:13.5px;color:#42506a;line-height:1.6}

.notice{background:#fff8e6;border:1px solid #f0dfae;border-radius:var(--r);padding:20px;font-size:15px}
.success{background:#eefaf5;border:1px solid #c3e8d9;border-radius:var(--r);padding:20px;font-size:15px}
.notice p:last-child,.success p:last-child{margin-bottom:0}
.hidden{display:none!important}
.coming-soon{
  border:1px dashed #a6b6ca;background:linear-gradient(180deg,#fafcfe,#f4f7fa);
  border-radius:var(--r-lg);padding:36px;text-align:center;
}

/* --------------------------------------------------------- research idx -- */
.research-toolbar{display:flex;gap:9px;flex-wrap:wrap;margin:28px 0 36px}
.filter-btn{
  border:1px solid var(--line);background:#fff;border-radius:999px;
  padding:10px 17px;font:inherit;font-weight:600;font-size:14px;cursor:pointer;
  min-height:44px;color:var(--ink2);
  transition:background .22s var(--ease-io),color .22s,border-color .22s,transform .2s var(--ease);
}
.filter-btn:hover{border-color:#b6c7dd;background:var(--paper);transform:translateY(-1px)}
.filter-btn.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.research-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.research-grid.is-filtering .research-item{opacity:0;transform:translateY(8px)}
.research-item{transition:opacity .28s var(--ease-io),transform .28s var(--ease)}
.research-item[hidden]{display:none}
.tag{
  display:inline-block;border-radius:999px;background:#edf2f8;color:#46536a;
  padding:5px 11px;font-family:var(--mono);font-size:10px;font-weight:500;
  text-transform:uppercase;letter-spacing:.1em;
}

/* -------------------------------------------------------------- footer --- */
.footer{background:#091321;color:var(--on-dark);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:52px}
.footer-brand img{filter:brightness(0) invert(1);opacity:.95;margin-bottom:20px}
.footer-grid>div>p{font-size:14.5px;color:var(--on-dark-mute);max-width:34ch}
.footer strong{
  display:block;color:#fff;margin-bottom:14px;font-family:var(--mono);
  font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.13em;
}
.footer a,.footer .link-button{
  display:block;margin:9px 0;color:var(--on-dark);font-size:14.5px;
  transition:color .2s,transform .25s var(--ease);
}
.footer a:hover,.footer .link-button:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);margin-top:48px;padding-top:22px;
  font-family:var(--mono);font-size:11.5px;color:var(--on-dark-mute);letter-spacing:.02em;
}
.link-button{border:0;background:none;padding:0;font:inherit;line-height:1.5;cursor:pointer;text-align:left;width:100%}

/* ------------------------------------------------------- back to top ----- */
.to-top{
  position:fixed;right:20px;bottom:20px;z-index:90;
  width:46px;height:46px;border-radius:50%;border:1px solid var(--line);
  background:rgba(255,255,255,.92);backdrop-filter:blur(10px);color:var(--navy);
  cursor:pointer;display:grid;place-items:center;font-size:17px;
  box-shadow:0 8px 26px rgba(13,23,40,.14);
  opacity:0;transform:translateY(14px) scale(.9);pointer-events:none;
  transition:opacity .35s var(--ease),transform .35s var(--ease),background .2s;
}
.to-top.is-visible{opacity:1;transform:none;pointer-events:auto}
.to-top:hover{background:#fff;transform:translateY(-2px)}

/* ---------------------------------------------------------- cookie CMP --- */
.cookie-banner{
  position:fixed;z-index:100;left:20px;right:20px;bottom:20px;
  background:rgba(255,255,255,.97);backdrop-filter:blur(14px);
  border:1px solid var(--line);box-shadow:0 22px 70px rgba(8,20,40,.22);
  border-radius:var(--r-lg);padding:24px;
  display:flex;gap:30px;align-items:center;justify-content:space-between;
  animation:il-slide-up .55s var(--ease) both .35s;
}
.cookie-banner strong{font-size:15px;letter-spacing:-.015em}
.cookie-banner p{font-size:13.5px;color:var(--muted);margin:5px 0 0;max-width:760px}
.cookie-actions{display:flex;gap:9px;flex-wrap:wrap}

.modal{
  position:fixed;z-index:110;inset:0;background:rgba(5,13,25,.6);
  backdrop-filter:blur(5px);display:grid;place-items:center;padding:22px;
  animation:il-fade .25s var(--ease-io) both;overflow:auto;
}
.modal-card{
  position:relative;width:min(600px,100%);background:#fff;
  border-radius:var(--r-xl);padding:34px;box-shadow:0 30px 90px rgba(0,0,0,.34);
  animation:il-pop .4s var(--ease) both;
}
.modal-card h2{font-size:26px;letter-spacing:-.028em;margin:0 0 8px;font-weight:600}
.modal-close{
  position:absolute;top:14px;right:16px;border:0;background:transparent;
  font-size:26px;line-height:1;cursor:pointer;color:var(--muted);
  width:40px;height:40px;border-radius:50%;
  transition:background .2s,color .2s,transform .25s var(--ease);
}
.modal-close:hover{background:var(--paper);color:var(--ink);transform:rotate(90deg)}
.toggle-row{
  display:flex;align-items:center;justify-content:space-between;gap:22px;
  border-top:1px solid var(--line);padding:18px 0;cursor:pointer;
}
.toggle-row strong{font-size:15px}
.toggle-row small{display:block;color:var(--muted);margin-top:3px;font-size:13px;line-height:1.55}
.toggle-row input{width:22px;height:22px;accent-color:var(--blue);flex:none;cursor:pointer}
.toggle-row input:disabled{cursor:not-allowed}
.modal-card .btn{margin-top:22px}

/* ------------------------------------------------- header actions / CTA -- */
.header-actions{display:flex;align-items:center;gap:12px}
.nav-cta{padding:11px 16px;min-height:42px;font-size:13.5px;border-radius:var(--r-sm)}

/* ------------------------------------------------------------ backlink -- */
.backlink{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.12em;
  color:var(--muted);margin-bottom:22px;min-height:32px;
  transition:color .2s,gap .28s var(--ease);
}
.backlink [aria-hidden]{transition:transform .28s var(--ease)}
.backlink:hover{color:var(--blue)}
.backlink:hover [aria-hidden]{transform:translateX(-4px)}
.article-hero .backlink,.hero .backlink{color:var(--on-dark-mute)}
.article-hero .backlink:hover,.hero .backlink:hover{color:#fff}

/* -------------------------------------------------- assess-section media -- */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center}
.split-visual{
  position:relative;border-radius:var(--r-xl);overflow:hidden;min-height:340px;
  border:1px solid var(--line);box-shadow:var(--sh-2);background:var(--navy);
}
.split-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.62}
.split-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(9,19,36,.5),rgba(9,19,36,.9))}
.visual-panel{
  position:absolute;z-index:2;left:22px;right:22px;bottom:22px;
  background:rgba(9,21,41,.86);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);padding:20px;backdrop-filter:blur(10px);color:#fff;
}
.visual-panel strong{
  display:block;font-family:var(--mono);font-size:10.5px;text-transform:uppercase;
  letter-spacing:.14em;color:#9fb8d7;font-weight:500;margin-bottom:14px;
}
.visual-rows{display:grid;gap:11px}
.visual-row{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;font-size:13.5px}
.visual-row em{
  font-style:normal;font-family:var(--mono);font-size:11.5px;white-space:nowrap;
  color:#fff;background:rgba(255,255,255,.12);border-radius:6px;padding:3px 8px;
}
.visual-row.is-low em{background:rgba(217,131,36,.28)}
.visual-row.is-high em{background:rgba(42,140,106,.3)}

/* -------------------------------------------------- five-pillar framework */
.framework-rail{
  display:flex;gap:8px;flex-wrap:wrap;padding:14px 0;margin-bottom:6px;
  position:sticky;top:80px;z-index:20;background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line2);
}
.framework-rail a{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--line);border-radius:999px;padding:8px 14px;
  font-size:13.5px;font-weight:600;min-height:40px;
  transition:border-color .22s,background .22s,transform .2s var(--ease);
}
.framework-rail a::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--accent,var(--blue))}
.framework-rail a:hover{border-color:#b6c7dd;background:var(--paper);transform:translateY(-1px)}

.pillar-block{
  scroll-margin-top:150px;padding:44px 0;border-top:1px solid var(--line2);
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:52px;align-items:start;
}
.pillar-block:first-of-type{border-top:0}
.pillar-head{display:flex;align-items:center;gap:14px;margin-bottom:6px}
.pillar-head .idx{
  flex:none;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  font-family:var(--mono);font-size:14px;font-weight:500;color:#fff;
  background:var(--accent,var(--blue));
}
.pillar-block h2{font-size:clamp(24px,2.7vw,32px);letter-spacing:-.03em;margin:0;font-weight:600}
.pillar-block h3{
  font-family:var(--mono);font-size:10.5px;font-weight:500;text-transform:uppercase;
  letter-spacing:.14em;color:var(--muted);margin:30px 0 12px;
}
.pillar-block p:not([class]){color:var(--ink2);font-size:16.5px;margin:0 0 14px}
.practice{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.practice li{
  position:relative;padding:14px 16px 14px 40px;font-size:15.5px;color:var(--ink2);
  background:var(--paper);border:1px solid var(--line2);border-radius:var(--r-sm);
  transition:border-color .25s,transform .25s var(--ease);
}
.practice li:hover{border-color:var(--line);transform:translateX(3px)}
.practice li::before{
  content:"";position:absolute;left:16px;top:1.35em;width:8px;height:8px;border-radius:2px;
  background:var(--accent,var(--blue));
}
.pillar-side{
  position:sticky;top:158px;display:grid;gap:14px;
}
.evidence{
  border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;background:#fff;
  box-shadow:var(--sh-1);
}
.evidence .label{
  display:block;font-family:var(--mono);font-size:9.5px;font-weight:500;
  text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin-bottom:12px;
}
.evidence dl{display:grid;gap:12px;margin:0}
.evidence dt{
  font-size:23px;font-weight:600;color:var(--navy);letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.evidence dd{margin:2px 0 0;font-size:13px;color:var(--muted);line-height:1.5}
.evidence .attrib{font-size:11.5px;color:var(--muted);margin:16px 0 0;line-height:1.55}
.maturity{border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;background:var(--paper)}
.maturity ol{margin:0;padding-left:20px;display:grid;gap:10px}
.maturity li{font-size:13.5px;color:var(--ink2)}
.maturity li strong{display:block;color:var(--ink)}

/* ------------------------------------------------------- ROI calculator -- */
.calc-steps{
  display:flex;gap:8px;margin:22px 0 28px;flex-wrap:wrap;
  font-family:var(--mono);font-size:10.5px;text-transform:uppercase;letter-spacing:.12em;
}
.calc-steps span{
  display:flex;align-items:center;gap:8px;color:var(--muted);white-space:nowrap;
  border:1px solid var(--line);border-radius:999px;padding:7px 13px;
  transition:border-color .25s,color .25s,background .25s;
}
.calc-steps span.is-active{border-color:var(--blue);color:var(--blue);background:var(--sky)}
.calc-steps span.is-done{border-color:#c9dcf3;color:var(--blue)}
.calc-steps span.is-done::after{content:"\2713"}

.calc-group{margin:0 0 26px}
.calc-group>h2{font-size:19px;letter-spacing:-.022em;margin:0 0 4px;font-weight:600}
.calc-group>p{color:var(--muted);font-size:14.5px;margin:0 0 16px}
.field small{display:block;color:var(--muted);font-size:12.5px;margin-top:6px;line-height:1.5}
.field .unit{position:relative;display:block}
.field .unit input{padding-left:32px}
.field .unit::before{
  content:attr(data-unit);position:absolute;left:13px;top:50%;transform:translateY(-50%);
  color:var(--muted);font-size:14px;pointer-events:none;
}
.optional{
  font-family:var(--mono);font-size:9.5px;text-transform:uppercase;letter-spacing:.12em;
  color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:2px 7px;
  margin-left:8px;vertical-align:1px;
}

.headline-range{
  background:var(--navy);color:#fff;border-radius:var(--r-xl);padding:30px;
  position:relative;overflow:hidden;isolation:isolate;
}
.headline-range::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(90% 110% at 88% 0%,#000,transparent 72%);
  mask-image:radial-gradient(90% 110% at 88% 0%,#000,transparent 72%);
}
.headline-range .label{
  font-family:var(--mono);font-size:10.5px;text-transform:uppercase;letter-spacing:.15em;
  color:var(--accent-dark);display:block;margin-bottom:12px;
}
.headline-range .big{
  font-size:clamp(30px,4.6vw,46px);font-weight:600;letter-spacing:-.035em;line-height:1.06;
  font-variant-numeric:tabular-nums;
}
.headline-range .base{color:var(--on-dark);font-size:15px;margin:10px 0 0}
.range-track{height:8px;border-radius:8px;background:rgba(255,255,255,.14);margin:22px 0 8px;position:relative}
.range-track i{
  position:absolute;top:0;bottom:0;border-radius:8px;
  background:linear-gradient(90deg,var(--accent-dark),#fff);
  left:var(--lo,10%);right:var(--hi,10%);transition:left .8s var(--ease),right .8s var(--ease);
}
.range-track b{
  position:absolute;top:-4px;width:16px;height:16px;border-radius:50%;background:#fff;
  left:var(--basePos,50%);margin-left:-8px;box-shadow:0 2px 8px rgba(0,0,0,.4);
  transition:left .8s var(--ease);
}
.range-scale{
  display:flex;justify-content:space-between;font-family:var(--mono);font-size:11px;
  color:var(--on-dark-mute);letter-spacing:.04em;
}
.confidence{
  display:inline-flex;align-items:center;gap:8px;margin-top:20px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  border-radius:999px;padding:7px 14px;font-size:12.5px;color:#fff;
}
.confidence::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green)}

.breakdown{display:grid;gap:12px;margin:26px 0}
.bd-row{
  display:grid;grid-template-columns:1fr auto auto auto;gap:18px;align-items:baseline;
  border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;background:#fff;
  transition:border-color .25s,transform .25s var(--ease);
}
.bd-row:hover{border-color:#cedbec;transform:translateY(-2px)}
.bd-row .name{font-weight:600;font-size:15.5px}
.bd-row .name small{display:block;font-weight:400;color:var(--muted);font-size:12.5px;margin-top:3px}
.bd-row .v{font-family:var(--mono);font-size:14px;font-variant-numeric:tabular-nums;color:var(--muted);text-align:right;min-width:96px}
.bd-row .v.is-base{color:var(--navy);font-size:16px;font-weight:500}
.bd-head{
  display:grid;grid-template-columns:1fr auto auto auto;gap:18px;padding:0 18px;
  font-family:var(--mono);font-size:9.5px;text-transform:uppercase;letter-spacing:.13em;color:var(--muted);
}
.bd-head span:not(:first-child){min-width:96px;text-align:right}
.bd-row.is-total{background:var(--paper);border-color:var(--line)}

.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin:24px 0}
.kpi{border:1px solid var(--line);border-radius:var(--r);padding:18px;background:#fff}
.kpi span{
  display:block;font-family:var(--mono);font-size:9.5px;text-transform:uppercase;
  letter-spacing:.13em;color:var(--muted);margin-bottom:8px;line-height:1.5;
}
.kpi strong{font-size:25px;font-weight:600;color:var(--navy);letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1.1}
.kpi em{display:block;font-style:normal;font-size:12.5px;color:var(--muted);margin-top:6px}

details.assumptions{
  border:1px solid var(--line);border-radius:var(--r);background:var(--paper);
  padding:0;margin:24px 0;
}
details.assumptions summary{
  cursor:pointer;padding:16px 18px;font-weight:600;font-size:14.5px;list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
details.assumptions summary::-webkit-details-marker{display:none}
details.assumptions summary::after{content:"+";font-family:var(--mono);font-size:17px;color:var(--muted);transition:transform .3s var(--ease)}
details.assumptions[open] summary::after{transform:rotate(45deg)}
details.assumptions .body{padding:0 18px 18px;font-size:13.5px;color:var(--ink2)}
details.assumptions table{width:100%;border-collapse:collapse;margin:8px 0 14px}
details.assumptions th,details.assumptions td{
  text-align:left;padding:8px 10px 8px 0;border-bottom:1px solid var(--line);
  font-size:13px;vertical-align:top;
}
details.assumptions th{
  font-family:var(--mono);font-size:9.5px;text-transform:uppercase;letter-spacing:.12em;
  color:var(--muted);font-weight:500;
}
details.assumptions td:not(:first-child){font-variant-numeric:tabular-nums}

.disclaimer{
  font-size:12.5px;color:var(--muted);line-height:1.6;
  border-left:3px solid var(--line);padding-left:14px;margin-top:24px;
}

/* --------------------------------------------- refined option feedback --- */
.option{position:relative}
.option::after{
  content:"";position:absolute;inset:0;border-radius:var(--r);pointer-events:none;
  box-shadow:0 0 0 0 rgba(0,74,173,.32);
}
.option.selected::after{animation:il-ring .55s var(--ease) forwards}
@keyframes il-ring{
  0%{box-shadow:0 0 0 0 rgba(0,74,173,.34)}
  100%{box-shadow:0 0 0 12px rgba(0,74,173,0)}
}
.option.selected{animation:il-nudge .34s var(--ease)}
@keyframes il-nudge{
  0%{transform:translateY(-1px) scale(1)}
  45%{transform:translateY(-2px) scale(1.012)}
  100%{transform:translateY(0) scale(1)}
}
.option .mark{
  flex:none;width:22px;height:22px;border-radius:50%;border:1.5px solid #c2d0e2;
  margin-top:1px;display:grid;place-items:center;position:relative;
  transition:border-color .22s,background .22s;
}
.option .mark::after{
  content:"";width:9px;height:9px;border-radius:50%;background:var(--blue);
  transform:scale(0);transition:transform .28s var(--ease);
}
.option:hover .mark{border-color:#8fb4e2}
.option.selected .mark{border-color:var(--blue);background:#fff}
.option.selected .mark::after{transform:scale(1)}
.option-grid.is-locking{pointer-events:none}
.step-hint,p.step-hint{
  font-family:var(--mono);font-size:10.5px;text-transform:uppercase;letter-spacing:.12em;
  color:var(--muted);margin-top:18px;display:block;line-height:1.6;
}

/* ------------------------------------------------------------- card rail -- */
.rail-wrap{position:relative;margin:0 -4px}
.rail{
  display:grid;grid-auto-flow:column;grid-auto-columns:318px;gap:24px;
  overflow-x:auto;scroll-snap-type:x mandatory;padding:4px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none}
.rail>.card{scroll-snap-align:start;height:100%}
.rail:focus-visible{outline:2px solid var(--blue);outline-offset:6px;border-radius:var(--r)}
.rail-wrap::after,.rail-wrap::before{
  content:"";position:absolute;top:0;bottom:0;width:56px;pointer-events:none;
  z-index:2;transition:opacity .3s var(--ease);
}
.rail-wrap::before{left:0;background:linear-gradient(90deg,#fff,rgba(255,255,255,0))}
.rail-wrap::after{right:0;background:linear-gradient(270deg,#fff,rgba(255,255,255,0))}
.rail-wrap.at-start::before{opacity:0}
.rail-wrap.at-end::after{opacity:0}
.rail-controls{display:flex;align-items:center;gap:16px;margin-top:26px}
.rail-btn{
  appearance:none;background:#fff;border:1px solid var(--line);border-radius:50%;
  width:44px;height:44px;flex:none;display:grid;place-items:center;cursor:pointer;
  color:var(--navy);font-size:16px;
  transition:border-color .22s,background .22s,transform .2s var(--ease),opacity .22s;
}
.rail-btn:hover:not(:disabled){border-color:#b6c7dd;background:var(--paper);transform:translateY(-1px)}
.rail-btn:disabled{opacity:.34;cursor:default}
.rail-progress{flex:1;height:3px;border-radius:3px;background:var(--line2);overflow:hidden}
.rail-progress i{
  display:block;width:34%;height:100%;border-radius:3px;background:var(--blue);
  transition:transform .3s var(--ease);
}

/* ---------------------------------------------------------- responsive --- */
@media(max-width:1080px){
  .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:48px}
  .pillars{grid-template-columns:repeat(3,1fr)}
  .pillar-block{grid-template-columns:minmax(0,1fr) 260px;gap:36px}
  .split{gap:34px}
}

@media(max-width:980px){
  .hero-grid,.article-layout{grid-template-columns:1fr}
  .hero{padding:72px 0 64px}
  .hero-visual{min-height:340px}
  .article-layout{gap:34px;padding:56px 0}
  .aside-card{position:static}
  .cards,.research-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(3,1fr);gap:34px 40px}
  .footer-grid>div:first-child{grid-column:1/-1;margin-bottom:4px}
  .footer-grid>div:last-child{grid-column:auto}

  .site-nav{
    display:flex;position:absolute;top:100%;left:0;right:0;
    background:rgba(255,255,255,.98);backdrop-filter:blur(16px);
    padding:14px 24px 24px;border-bottom:1px solid var(--line);
    box-shadow:0 24px 50px rgba(13,23,40,.12);
    flex-direction:column;align-items:stretch;gap:0;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .3s var(--ease-io),transform .32s var(--ease),visibility .3s;
  }
  .site-nav.open{opacity:1;visibility:visible;transform:none}
  .site-nav a{
    padding:15px 2px;font-size:17px;border-bottom:1px solid var(--line2);
    min-height:52px;display:flex;align-items:center;
    opacity:0;transform:translateY(-6px);
    transition:opacity .3s var(--ease-io),transform .3s var(--ease);
  }
  .site-nav.open a{opacity:1;transform:none}
  .site-nav.open a:nth-child(1){transition-delay:.05s}
  .site-nav.open a:nth-child(2){transition-delay:.1s}
  .site-nav.open a:nth-child(3){transition-delay:.15s}
  .site-nav.open a:nth-child(4){transition-delay:.2s}
  .site-nav a::after{display:none}
  .site-nav a[aria-current="page"]{color:var(--blue)}
  .menu-toggle{display:block}
  body.nav-open{overflow:hidden}
  .nav-cta{padding:9px 13px;min-height:38px;font-size:12.5px}
  .split{grid-template-columns:1fr}
  .rail{grid-auto-columns:min(80vw,318px);gap:16px}
  .rail-wrap::before,.rail-wrap::after{width:28px}
  .split-visual{min-height:280px}
  .pillar-block{grid-template-columns:1fr;gap:28px;padding:36px 0}
  .pillar-side{position:static}
  .framework-rail{top:68px}
  .pillar-block{scroll-margin-top:130px}
}

@media(max-width:680px){
  .container{width:min(100% - 32px,var(--max))}
  .header-inner{height:68px}
  .header.is-scrolled .header-inner{height:62px}
  .brand img,.header.is-scrolled .brand img{width:150px}
  .hero{padding:56px 0 52px}
  .hero h1,.article-hero h1{font-size:clamp(33px,9vw,44px);letter-spacing:-.035em}
  .hero p{font-size:17px}
  .section{padding:60px 0}
  .section h2{font-size:clamp(27px,7.4vw,34px)}
  .section-intro{font-size:16.5px;margin-bottom:28px}
  .cards,.research-grid,.pillars,.footer-grid,.form-grid,.metrics{grid-template-columns:1fr}
  .footer-grid{gap:34px}
  .footer-grid>div:last-child{grid-column:auto}
  .hero-visual{min-height:290px;border-radius:var(--r-lg)}
  .signal-card{left:14px;right:14px;bottom:14px;padding:16px}
  .signal-row{grid-template-columns:96px 1fr;font-size:12.5px}
  .article-hero{padding:56px 0 48px}
  .article-body h2{font-size:26px;margin:40px 0 12px}
  .article-body p,.article-body li{font-size:16.5px}
  .tool-shell{padding:40px 0 68px}
  .tool-card{padding:24px 20px;border-radius:var(--r-lg)}
  .result-score{grid-template-columns:1fr;gap:22px;justify-items:center;text-align:center}
  .score-bar{grid-template-columns:1fr 46px;grid-template-areas:"label label" "bar value";gap:6px 10px;font-size:13.5px}
  .score-bar>span:first-child{grid-area:label}
  .score-bar .bar{grid-area:bar}
  .score-bar strong{grid-area:value}
  .tool-nav{flex-direction:column-reverse}
  .tool-nav .btn{width:100%}
  .bd-row,.bd-head{grid-template-columns:1fr auto;gap:6px 12px}
  .bd-row .v{min-width:0;text-align:left}
  .bd-head span:not(:first-child){min-width:0;text-align:left}
  .bd-head span:nth-child(3),.bd-head span:nth-child(4),
  .bd-row .v:not(.is-base){display:none}
  .headline-range{padding:22px}
  .framework-rail{position:static;padding:12px 0}
  .pillar-head .idx{width:38px;height:38px;border-radius:10px;font-size:13px}
  .nav-cta{padding:9px 12px;min-height:36px;font-size:12.5px}
  .cta-long{display:none}
  .cookie-banner{flex-direction:column;align-items:stretch;gap:18px;padding:20px;left:12px;right:12px;bottom:12px}
  .cookie-actions{flex-direction:column}
  .cookie-actions .btn{width:100%}
  .modal-card{padding:26px 22px}
  .to-top{right:14px;bottom:14px}
  .actions .btn{width:100%}
}

/* ------------------------------------------------------ reduced motion --- */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  .il-js [data-reveal]{opacity:1!important;transform:none!important}
}

/* ---------------------------------------------------------------- print -- */
@media print{
  .header,.footer,.cookie-banner,.modal,.to-top,.skip-link,.research-toolbar{display:none!important}
  .hero,.article-hero,.section.dark{background:#fff!important;color:#000!important}
  .hero::before,.hero::after,.article-hero::before,.article-hero::after{display:none}
  .article-layout{display:block}
  a{color:#000}
}


/* mandatory consent */
.consent-req{display:block;margin:0 0 8px;font-style:normal;font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--blue)}
.consent input:invalid{outline:2px solid #c0392b;outline-offset:2px}