/* Impira site styles. Navy for story sections, white for reading. One accent: orange. */
:root{
  --navy:#10233F; --navy-2:#1C3A63; --navy-3:#2E4A72;
  --or:#E8650A; --or-2:#FF8A2B; --or-deep:#C4540A; --tint:#FDF0E6; --tint-line:#F6CFAF;
  --soft:#A9BACD; --mute:#7E91A8;
  --ink:#10233F; --body:#2B3A4F; --slate:#5B6678; --line:#E3E7EE; --off:#F7F8FB; --white:#FFFFFF;
  --f-head:"Outfit",system-ui,sans-serif; --f-body:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif; --f-mono:"IBM Plex Mono",ui-monospace,monospace;
  --gut:clamp(20px,5vw,72px); --max:1200px; --r:18px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--white);color:var(--body);font-family:var(--f-body);font-size:18px;line-height:1.6;-webkit-font-smoothing:antialiased}
img,video{max-width:100%;display:block}
a{color:var(--or-deep)}
a:hover{color:var(--or)}
:focus-visible{outline:3px solid var(--or-2);outline-offset:3px;border-radius:4px}
h1,h2,h3{font-family:var(--f-head);color:var(--ink);letter-spacing:-.02em;line-height:1.05;text-wrap:balance;margin:0}
h1{font-size:clamp(44px,7vw,96px);font-weight:700}
h2{font-size:clamp(32px,4.4vw,60px);font-weight:700}
h3{font-size:clamp(22px,2.2vw,28px);font-weight:600;line-height:1.2}
p{margin:0;text-wrap:pretty}
.or{color:var(--or)}
.wrap{max-width:var(--max);margin:0 auto;padding-inline:var(--gut)}
.eyebrow{font-family:var(--f-mono);font-weight:500;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--or-deep)}
.lead{font-size:clamp(19px,1.6vw,22px);line-height:1.55;color:var(--slate);max-width:62ch}
.muted{color:var(--mute)}
.stack{display:flex;flex-direction:column;gap:20px}
.skip{position:absolute;left:-999px;top:8px;background:var(--or);color:#fff;padding:10px 16px;border-radius:8px;z-index:100}
.skip:focus{left:12px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--f-body);font-weight:600;font-size:17px;line-height:1;padding:16px 26px;border-radius:999px;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:background .15s,color .15s,border-color .15s}
.btn-or{background:var(--or);color:#fff}
.btn-or:hover{background:var(--or-deep);color:#fff}
.btn-ghost{border-color:currentColor;color:var(--ink);background:transparent}
.btn-ghost:hover{color:var(--or-deep)}
.btn-sm{padding:11px 18px;font-size:15px}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.arrow{font-weight:600;text-decoration:none}
.arrow::after{content:" \2192"}

/* Nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(16,35,63,.92);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid rgba(255,255,255,.08);padding-top:env(safe-area-inset-top,0px)}
.nav-in{max-width:1320px;margin:0 auto;padding:14px var(--gut);display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand img{height:34px;width:auto}
.nav nav{display:flex;align-items:center;gap:30px}
.nav nav a{color:#DCE5F0;text-decoration:none;font-size:16px;font-weight:500}
.nav nav a:hover,.nav nav a[aria-current=page]{color:#fff}
.nav nav a[aria-current=page]{box-shadow:inset 0 -2px 0 var(--or-2)}
.nav nav a.btn{color:#fff}
.nav-toggle{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;position:relative}
.nav-toggle span{position:absolute;left:10px;right:10px;height:2px;background:#fff;border-radius:2px;transition:transform .2s}
.nav-toggle span:first-child{top:16px}.nav-toggle span:last-child{top:26px}
@media (max-width:920px){
  .nav-toggle{display:block}
  .nav nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--navy);flex-direction:column;align-items:flex-start;gap:0;padding:8px var(--gut) 24px;border-bottom:1px solid rgba(255,255,255,.1)}
  .nav nav.open{display:flex}
  .nav nav a{padding:14px 0;width:100%;font-size:19px}
  .nav nav a.btn{margin-top:12px;width:auto;padding:14px 22px}
  .nav-toggle[aria-expanded=true] span:first-child{transform:translateY(5px) rotate(45deg)}
  .nav-toggle[aria-expanded=true] span:last-child{transform:translateY(-5px) rotate(-45deg)}
}

/* Sections */
.sec{padding-block:clamp(72px,10vw,140px)}
.sec-tight{padding-block:clamp(56px,7vw,96px)}
.navy{background:var(--navy);color:var(--soft);background-image:radial-gradient(rgba(255,255,255,.06) 1.4px,transparent 1.6px);background-size:44px 44px}
.navy h1,.navy h2,.navy h3{color:#fff}
.navy .or{color:var(--or-2)}
.navy .eyebrow{color:var(--or-2)}
.navy .lead{color:var(--soft)}
.navy a:not(.btn){color:var(--or-2)}
.navy .btn-ghost{color:#fff}
.navy .btn-ghost:hover{color:var(--or-2)}
.off{background:var(--off)}
.sec-head{display:flex;flex-direction:column;gap:18px;margin-bottom:clamp(36px,5vw,64px);max-width:860px}

/* Hero */
.hero{padding-block:clamp(56px,8vw,110px) clamp(48px,6vw,80px)}
.hero h1{margin-top:18px}
.hero .lead{margin-top:24px}
.hero .btn-row{margin-top:34px}
.hero-film{margin-top:clamp(40px,6vw,72px);position:relative;border-radius:22px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.35);border:1px solid rgba(255,255,255,.1);aspect-ratio:16/9;background:var(--navy)}
.hero-film video{width:100%;height:100%;object-fit:cover}
.film-btn{position:absolute;right:18px;bottom:18px;background:rgba(16,35,63,.85);color:#fff;border:1px solid rgba(255,255,255,.25);font:600 15px var(--f-body);padding:12px 18px;border-radius:999px;cursor:pointer;display:flex;gap:10px;align-items:center}
.film-btn:hover{background:var(--or)}
.film-btn svg{width:14px;height:14px}
dialog.film{padding:0;border:0;background:#000;width:min(1280px,94vw);border-radius:16px;overflow:hidden}
dialog.film::backdrop{background:rgba(6,14,26,.85)}
dialog.film video{width:100%;aspect-ratio:16/9}
dialog.film .close{position:absolute;top:10px;right:10px;background:rgba(0,0,0,.6);color:#fff;border:0;width:44px;height:44px;border-radius:50%;font-size:22px;cursor:pointer;z-index:2}

/* Story (scroll-driven film) */
.story{position:relative;background:var(--navy)}
.story-track{height:900vh}
.story-sticky{position:sticky;top:0;height:100vh;height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden;padding-top:64px}
.story-frame{position:relative;width:100%;overflow:hidden}
.story-frame .story-stage{transform-origin:0 0;position:absolute;left:0;top:0}
.story-cap{display:none;color:#fff;font-family:var(--f-head);font-weight:600;font-size:22px;line-height:1.25;text-align:center;padding:18px var(--gut) 0;min-height:3.2em}
.story-cap .or{color:var(--or-2)}
.story-bar{position:absolute;left:var(--gut);right:var(--gut);bottom:22px;height:3px;background:rgba(255,255,255,.12);border-radius:2px}
.story-bar i{display:block;height:100%;width:0;background:var(--or);border-radius:2px}
.story-hint{position:absolute;bottom:38px;left:0;right:0;text-align:center;font-family:var(--f-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--mute);transition:opacity .3s}
.story-static{display:none}
@media (max-width:760px),(max-aspect-ratio:1/1){.story-cap{display:block}}
@media (prefers-reduced-motion:reduce){
  .story-track{height:auto}.story-sticky{display:none}.story-static{display:grid;gap:28px;padding-block:40px}
}
.story-static .story-frame{border-radius:14px}

/* Cards and grids */
.grid{display:grid;gap:clamp(18px,2.4vw,28px)}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:980px){.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:1fr}}
@media (max-width:640px){.g2,.g4{grid-template-columns:1fr}}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:clamp(24px,2.6vw,34px);display:flex;flex-direction:column;gap:14px}
.card.tint{background:var(--tint);border-color:var(--tint-line)}
.navy .card{background:rgba(28,58,99,.6);border-color:var(--navy-3);color:var(--soft)}
.navy .card.hot{border-color:var(--or)}
.card .code{font-family:var(--f-mono);font-weight:500;font-size:14px;letter-spacing:.12em;color:var(--or-deep)}
.navy .card .code{color:var(--or-2)}
.card p{font-size:17px}
.card .more{margin-top:auto;padding-top:8px}
.num{font-family:var(--f-head);font-weight:700;font-size:clamp(40px,4.6vw,60px);line-height:1;color:var(--ink);letter-spacing:-.02em}
.navy .num{color:#fff}
.num.or{color:var(--or)}

/* Outcomes */
.outcome{display:grid;grid-template-columns:auto 1fr;gap:6px 26px;align-items:baseline;padding-block:28px;border-top:1px solid var(--navy-3)}
.outcome:last-child{border-bottom:1px solid var(--navy-3)}
.outcome i{width:22px;height:22px;border-radius:50%;background:var(--or);display:block;grid-row:span 2;align-self:start;margin-top:14px}
.outcome h3{font-size:clamp(30px,4vw,54px);font-weight:700}
.outcome p{max-width:60ch}

/* Steps */
.steps{counter-reset:s}
.step{position:relative}
.step .n{font-family:var(--f-mono);font-size:14px;letter-spacing:.14em;color:var(--or-deep)}
.meta{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-family:var(--f-mono);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;padding:6px 11px;border-radius:999px;background:var(--off);border:1px solid var(--line);color:var(--slate)}
.navy .tag{background:rgba(255,255,255,.06);border-color:var(--navy-3);color:var(--soft)}
.list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}
.list li{position:relative;padding-left:28px}
.list li::before{content:"";position:absolute;left:4px;top:.62em;width:10px;height:10px;border-radius:50%;background:var(--or)}

/* Two-column feature */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:clamp(32px,6vw,90px);align-items:center}
@media (max-width:900px){.split{grid-template-columns:1fr}}

/* Tables */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r)}
table{border-collapse:collapse;width:100%;font-size:16px}
th,td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-family:var(--f-mono);font-weight:500;font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--slate);background:var(--off)}
tr:last-child td{border-bottom:0}

/* Metric bands */
.bands{display:flex;gap:6px;margin-top:4px}
.bands span{flex:1;font-size:13px;line-height:1.3;text-align:center;padding:7px 4px;border-radius:8px;background:var(--off);color:var(--slate)}
.bands span b{display:block;font-family:var(--f-head);font-size:15px;color:var(--ink)}
.bands span.lo{background:#FBECEB}.bands span.hi{background:#E8F5EC}

/* Pattern grid */
.quad{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.quad>div{padding:clamp(22px,2.6vw,34px);border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:14px}
.quad>div:nth-child(2n){border-right:0}.quad>div:nth-child(n+3){border-bottom:0}
.quad h3{color:var(--or-deep)}
.quad .axes{font-family:var(--f-mono);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--slate)}
.pat{border-top:1px solid var(--line);padding-top:12px}
.pat b{font-family:var(--f-head);font-size:19px;color:var(--ink);font-weight:600}
.pat .cte{font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;color:var(--mute);margin-left:8px}
.pat p{font-size:16px;margin-top:4px}
@media (max-width:760px){.quad{grid-template-columns:1fr}.quad>div{border-right:0!important;border-bottom:1px solid var(--line)!important}.quad>div:last-child{border-bottom:0!important}}

/* Quote / note */
.note{border-radius:var(--r);background:var(--tint);border:1px solid var(--tint-line);padding:22px 26px;font-size:16.5px;color:var(--body)}

/* Close band */
.close-band{text-align:left}
.close-band h2{max-width:18ch}
.close-band .lead{margin-top:20px}
.close-band .btn-row{margin-top:32px}

/* Forms */
.form{display:grid;gap:20px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media (max-width:640px){.row2{grid-template-columns:1fr}}
label{font-weight:600;font-size:15px;color:var(--ink);display:block;margin-bottom:8px}
.req{color:var(--or-deep)}
input[type=text],input[type=email],select,textarea{width:100%;font:inherit;font-size:17px;padding:14px 16px;border:1.5px solid var(--line);border-radius:12px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{border-color:var(--or);outline:none;box-shadow:0 0 0 4px rgba(232,101,10,.15)}
textarea{min-height:140px;resize:vertical}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{margin:0;font-weight:500}
.chip input{position:absolute;opacity:0;pointer-events:none}
.chip span{display:inline-block;padding:11px 16px;border:1.5px solid var(--line);border-radius:999px;cursor:pointer;font-size:15.5px;color:var(--body);background:#fff}
.chip input:checked+span{border-color:var(--or);background:var(--tint);color:var(--or-deep)}
.chip input:focus-visible+span{outline:3px solid var(--or-2);outline-offset:2px}
.formnote{font-size:14.5px;color:var(--slate)}

/* Footer */
.foot{background:#0B1A30;color:var(--soft);padding-block:72px 32px;font-size:16px}
.foot-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:36px}
@media (max-width:980px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.foot-grid{grid-template-columns:1fr}}
.foot-brand img{height:38px;width:auto;margin-bottom:18px}
.foot-brand p{margin-bottom:8px;color:#fff;font-family:var(--f-head);font-size:20px}
.foot-brand p.muted{color:var(--mute);font-family:var(--f-body);font-size:15px}
.foot-h{font-family:var(--f-mono);font-weight:500;font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--mute);margin:0 0 14px}
.foot a{display:block;color:#DCE5F0;text-decoration:none;padding:5px 0}
.foot a:hover{color:var(--or-2)}
.foot-base{display:flex;gap:24px;margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);font-size:14px;color:var(--mute)}
.foot-base a{display:inline;padding:0}

/* Reveal */
.rv{transition:opacity .7s ease,transform .7s ease}
.js .rv:not(.in){opacity:0;transform:translateY(24px)}
@media (prefers-reduced-motion:reduce){.js .rv:not(.in){opacity:1;transform:none}}

/* Home hero: short, so the story's first frame shows above the fold */
.hero-home{padding-block:clamp(48px,7vw,96px) clamp(24px,3vw,40px)}
.film-link{background:none;border:0;color:var(--or-2);font:600 16px var(--f-body);cursor:pointer;padding:10px 4px;text-decoration:underline;text-underline-offset:4px}
.film-link:hover{color:#fff}
.story-sticky{padding-top:72px}

/* Text button (tertiary) */
.btn-text{background:none;border:0;-webkit-appearance:none;appearance:none;color:var(--ink);padding:16px 8px}
.navy .btn-text{color:#fff}
.btn-text:hover{color:var(--or-2)}
.btn-text .play{width:30px;height:30px;border-radius:50%;background:var(--or);position:relative;flex:none}
.btn-text .play::after{content:"";position:absolute;left:12px;top:9px;border-left:9px solid #fff;border-top:6px solid transparent;border-bottom:6px solid transparent}

/* Story chapters: a side rail on wide screens, a stepper under the frame elsewhere */
.story-rail{position:relative;margin-top:14px;max-width:100%}
.story-rail ol{list-style:none;margin:0;padding:0;position:relative;display:flex;gap:4px}
.story-rail li{position:relative;flex:1}
.story-rail button{display:block;width:100%;background:none;border:0;cursor:pointer;padding:10px 0;-webkit-tap-highlight-color:transparent}
.story-rail button i{display:block;height:4px;border-radius:2px;background:rgba(255,255,255,.16);position:relative;overflow:hidden}
.story-rail button i::after{content:"";position:absolute;inset:0;background:var(--or);transform-origin:0 50%;transform:scaleX(var(--f,0))}
.story-rail li.done button i::after{transform:none;background:var(--soft)}
.story-rail button span,.story-rail button small{display:none}
.story-now{display:flex;align-items:baseline;gap:12px;margin:0;color:#fff;font:600 15px var(--f-body)}
.story-now b{font:500 12px var(--f-mono);letter-spacing:.12em;color:var(--or-2)}
.story-now small{margin-left:auto;font:500 11.5px var(--f-mono);letter-spacing:.12em;color:var(--or-2)}
@media (max-height:640px){.story-hint{display:none!important}}
@media (min-width:1100px) and (min-aspect-ratio:1/1){
  .story-rail{position:absolute;right:var(--gut);top:50%;transform:translateY(-50%);width:200px;margin:0}
  .story-now{display:none}
  .story-rail ol{display:block}
  .story-rail ol::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;background:rgba(255,255,255,.12)}
  .story-rail button{display:flex;align-items:center;gap:14px;padding:6px 0;text-align:left;color:var(--mute);font:500 14.5px var(--f-body)}
  .story-rail button i{width:14px;height:14px;border-radius:50%;border:2px solid var(--navy-3);background:var(--navy);flex:none;z-index:1;transition:all .2s;overflow:visible}
  .story-rail button i::after{display:none}
  .story-rail button span{display:inline}
  .story-rail button small{display:inline;font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;color:var(--mute);margin-left:auto}
  .story-rail li.done button{color:var(--soft)}
  .story-rail li.done button i{background:var(--soft);border-color:var(--soft)}
  .story-rail li.on button{color:#fff;font-weight:600}
  .story-rail li.on button i{background:var(--or);border-color:var(--or);box-shadow:0 0 0 5px rgba(232,101,10,.25)}
  .story-rail li.on button small{color:var(--or-2)}
  .story-rail button:hover{color:#fff}
}
@media not all and (min-width:1100px) and (min-aspect-ratio:1/1){.story-bar{display:none}}

/* Scroll hint */
.story-hint{display:flex;flex-direction:column;align-items:center;gap:10px;bottom:34px;font-size:12.5px;color:var(--soft)}
.story-hint .mouse{width:24px;height:38px;border:2px solid var(--soft);border-radius:14px;position:relative}
.story-hint .mouse i{position:absolute;left:50%;top:7px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--or-2);animation:wheel 1.6s ease-in-out infinite}
@keyframes wheel{0%{transform:translateY(0);opacity:1}70%{transform:translateY(12px);opacity:0}100%{transform:translateY(0);opacity:0}}
@media (prefers-reduced-motion:reduce){.story-hint .mouse i{animation:none}}
.hero-cue{display:inline-flex;align-items:center;gap:14px;margin-top:44px;color:var(--soft)!important;text-decoration:none;font-size:15px}
.hero-cue .mouse,.story-hint .mouse{width:24px;height:38px;border:2px solid var(--soft);border-radius:14px;position:relative;flex:none}
.hero-cue .mouse i{position:absolute;left:50%;top:7px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--or-2);animation:wheel 1.6s ease-in-out infinite}
.hero-cue:hover{color:#fff!important}
@media (prefers-reduced-motion:reduce){.hero-cue .mouse i{animation:none}}