/* PolarForce — shared styles for index, compare and legal pages */
:root{
  --bg:#3a3d42;
  --bg-alt:#33363b;
  --deep:#26282c;
  --surface:#45484e;
  --surface-2:#4e5258;
  --text:#f5f5f7;
  --muted:#b4b8be;
  --faint:#8a8f96;
  --line:rgba(255,255,255,.12);
  --ice:#6ec1f5;
  --ice-strong:#8fd0f8;
  --ink:#0e1b26;
  --radius:24px;
  --wrap:min(1200px, 100% - 2.5rem);
  --ease:cubic-bezier(.77,0,.175,1);      /* power4.inOut — the Samurai curve */
  --out:cubic-bezier(.16,1,.3,1);         /* expo out for entrances */
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-padding-top:72px;background:var(--deep)}
body{font:400 1.0625rem/1.5 -apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue",system-ui,sans-serif;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
.wrap{width:var(--wrap);margin-inline:auto}
.center{text-align:center}
section{padding:clamp(5rem,10vw,8.5rem) 0;position:relative}
.alt{background:var(--bg-alt)}
.deep{background:var(--deep)}

/* ---------- Type ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-size:.75rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--ice)}
.eyebrow::before{content:"";width:28px;height:1px;background:currentColor}
.center .eyebrow::after{content:"";width:28px;height:1px;background:currentColor}
.h2{font-size:clamp(2.25rem,5.4vw,4.25rem);line-height:1.02;font-weight:800;letter-spacing:-.04em;text-transform:uppercase;margin-top:1rem}
.lead{font-size:clamp(1.0625rem,1.7vw,1.25rem);line-height:1.5;color:var(--muted)}
.sub{max-width:48ch;margin:1.25rem auto 0}
.ice-t{color:var(--ice)}

/* Masked line reveal */
.line{display:block;overflow:hidden;padding-bottom:.06em;margin-bottom:-.06em}
.line>span{display:block;transform:translateY(105%);transition:transform 1.2s var(--ease);transition-delay:calc(var(--i,0) * 90ms)}
.line.in>span{transform:none}
.reveal{opacity:0;transform:translateY(32px);transition:opacity 1s var(--out),transform 1s var(--out);transition-delay:calc(var(--d,0) * 80ms)}
.reveal.in{opacity:1;transform:none}
.wipe{clip-path:inset(100% 0 0 0);transition:clip-path 1.3s var(--ease);transition-delay:calc(var(--d,0) * 90ms)}
.wipe.in{clip-path:inset(0 0 0 0)}
.no-js .reveal,.no-js .wipe{opacity:1;transform:none;clip-path:none}
.no-js .line>span{transform:none}

/* ---------- Progress + Nav ---------- */
.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:60;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--ice),#e8f6ff)}
.nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:transform .5s var(--out),background .4s,border-color .4s;border-bottom:1px solid transparent}
.nav.solid,.nav.always{background:rgba(38,40,44,.74);backdrop-filter:saturate(160%) blur(20px);-webkit-backdrop-filter:saturate(160%) blur(20px);border-color:var(--line)}
.nav.hide{transform:translateY(-100%)}
.nav .wrap{display:flex;align-items:center;gap:2rem;height:68px;width:100%;padding-inline:clamp(1rem,2.4vw,2rem)} /* logo sits in the corner */
.nav .logo img{height:24px;width:auto}
.nav ul{display:flex;gap:1.75rem;list-style:none;margin-left:auto;font-size:.8125rem}
.nav ul a{position:relative;color:rgba(245,245,247,.75);transition:color .25s}
.nav ul a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--ice);transform:scaleX(0);transform-origin:right;transition:transform .45s var(--out)}
.nav ul a:hover,.nav ul a[aria-current]{color:#fff}
.nav ul a:hover::after,.nav ul a[aria-current]::after{transform:scaleX(1);transform-origin:left}
.menu-btn{display:none;margin-left:auto;width:44px;height:44px;border-radius:50%;border:0;background:rgba(255,255,255,.08);cursor:pointer;position:relative}
.menu-btn i,.menu-btn i::before{position:absolute;left:13px;right:13px;height:1.5px;background:#fff;transition:transform .5s var(--out),top .5s var(--out)}
.menu-btn i{top:18px}.menu-btn i::before{content:"";left:0;right:0;top:7px}
.menu-open .menu-btn i{top:21px;transform:rotate(45deg)}
.menu-open .menu-btn i::before{top:0;transform:rotate(-90deg)}

/* ---------- Buttons ---------- */
.btn{position:relative;overflow:hidden;isolation:isolate;display:inline-flex;align-items:center;gap:.6em;border-radius:980px;font-weight:650;font-size:.9375rem;letter-spacing:.01em;padding:.95em 1.6em;background:var(--text);color:#16181b;border:0;cursor:pointer;transition:transform .35s var(--out),box-shadow .35s,color .3s;-webkit-tap-highlight-color:transparent;will-change:transform}
.btn::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--ice);transform:translateY(101%);border-radius:inherit;transition:transform .55s var(--ease)}
.btn:hover::before{transform:none}
.btn:hover{box-shadow:0 14px 34px -12px rgba(110,193,245,.65)}
.btn::after{content:"";position:absolute;top:0;bottom:0;width:40%;left:-60%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);transform:skewX(-20deg);transition:left .8s var(--out)}
.btn:hover::after{left:130%}
.btn svg{transition:transform .45s var(--out)}
.btn:hover svg{transform:translateX(4px)}
.btn:active{transform:scale(.96)!important}
.btn.ghost{background:rgba(255,255,255,.06);color:var(--text);box-shadow:inset 0 0 0 1px rgba(255,255,255,.35);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.btn.ghost::before{background:var(--text)}
.btn.ghost:hover{color:#16181b}
.btn.sm{font-size:.8125rem;padding:.65em 1.15em}
.ripple{position:absolute;border-radius:50%;background:rgba(255,255,255,.55);transform:scale(0);pointer-events:none;animation:ripple .7s var(--out) forwards}
@keyframes ripple{to{transform:scale(4);opacity:0}}
.ctas{display:flex;flex-wrap:wrap;gap:.875rem}
.center .ctas{justify-content:center}
.link{display:inline-flex;align-items:center;gap:.4rem;font-weight:650;color:var(--ice)}
.link svg{transition:transform .4s var(--out)}
.link:hover svg{transform:translateX(5px)}

/* Segmented control with sliding pill */
.seg{position:relative;display:inline-flex;background:var(--surface);border-radius:980px;padding:4px}
.seg .pill{position:absolute;top:4px;bottom:4px;left:4px;border-radius:980px;background:var(--text);transition:transform .55s var(--out),width .55s var(--out)}
.seg button{position:relative;z-index:1;border:0;background:transparent;font-size:.875rem;font-weight:650;padding:.55em 1.2em;border-radius:980px;color:var(--muted);cursor:pointer;transition:color .4s;white-space:nowrap}
.seg button[aria-pressed="true"]{color:#16181b}

/* Marquee */
.marquee{background:var(--ice);color:var(--ink);overflow:hidden;white-space:nowrap}
.marquee .track{display:inline-flex;animation:marquee 34s linear infinite;padding:1.1rem 0}
.marquee:hover .track{animation-play-state:paused}
.marquee span{display:inline-flex;align-items:center;gap:1.5rem;padding-right:1.5rem;font-size:clamp(1rem,1.6vw,1.25rem);font-weight:800;letter-spacing:.02em;text-transform:uppercase}
.marquee span::after{content:"✦";font-size:.8em;opacity:.6}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- Logo intro: a hot hammer strike. POLAR and FORCE slam together, the seam glows
   forge-hot and cools to white, sparks fly; then the arrow and the tagline are struck in. ---------- */
html.intro body{visibility:hidden;overflow:hidden}
#pf-intro{visibility:visible;position:fixed;inset:0;z-index:200;display:grid;place-items:center;background:radial-gradient(ellipse 70% 60% at 50% 50%,#2c2f34,#17181b 75%);cursor:pointer;overflow:hidden;transition:opacity .6s var(--out)}
#pf-intro.out{opacity:0}
#pf-intro .ember{position:absolute;left:50%;top:50%;width:70vmax;height:70vmax;margin:-35vmax 0 0 -35vmax;border-radius:50%;background:radial-gradient(circle,rgba(255,110,30,.28),rgba(200,40,10,.08) 35%,transparent 60%);opacity:0;animation:pfEmber 2.2s ease-out .5s forwards}
#pf-intro .rig{position:relative;width:min(760px,86vw)}
#pf-intro .stack{position:relative;width:100%;aspect-ratio:1480/210;transform-origin:50% 60%}
#pf-intro .stack img{position:absolute;inset:0;width:100%;height:100%;opacity:0}
#pf-intro .polar{animation:pfSlamL .5s cubic-bezier(.6,0,1,.5) .05s forwards}
#pf-intro .force{animation:pfSlamR .5s cubic-bezier(.6,0,1,.5) .05s forwards}
#pf-intro .arrow{animation:pfDrop .32s cubic-bezier(.6,0,1,.5) .95s forwards}
#pf-intro .tagline{animation:pfStrikeUp .38s cubic-bezier(.6,0,1,.5) 1.3s forwards}
#pf-intro .heat{position:absolute;inset:0;opacity:0;pointer-events:none;-webkit-mask-size:100% 100%;mask-size:100% 100%;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat}
#pf-intro .heat.words{background:radial-gradient(ellipse 30% 170% at 50.5% 45%,#fffbe8 0%,#ffe08a 12%,#ffa733 28%,#ff6a14 45%,#d6300d 66%,#6e1206 100%);-webkit-mask-image:url(img/logo-polar.webp),url(img/logo-force.webp);mask-image:url(img/logo-polar.webp),url(img/logo-force.webp);animation:pfCool 1.7s cubic-bezier(.3,0,.4,1) .55s forwards}
#pf-intro .heat.tag{background:radial-gradient(ellipse 60% 300% at 50% 80%,#ffe08a 0%,#ff8a24 35%,#c92a0c 70%,#5a0f05 100%);-webkit-mask-image:url(img/logo-tagline.webp);mask-image:url(img/logo-tagline.webp);animation:pfCool 1.2s cubic-bezier(.3,0,.4,1) 1.68s forwards}
#pf-intro .spark{position:absolute;width:3px;height:3px;border-radius:3px;background:#ffd27a;box-shadow:0 0 6px 2px rgba(255,140,40,.8);pointer-events:none}
#pf-intro .skip{position:absolute;bottom:clamp(1.25rem,4vh,2.5rem);left:50%;transform:translateX(-50%);font-size:.6875rem;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);opacity:0;animation:pfFade .6s ease 1.2s forwards}
@keyframes pfSlamL{0%{opacity:0;transform:translateX(-75%) skewX(-8deg)}25%{opacity:1}100%{opacity:1;transform:none}}
@keyframes pfSlamR{0%{opacity:0;transform:translateX(75%) skewX(8deg)}25%{opacity:1}100%{opacity:1;transform:none}}
@keyframes pfDrop{0%{opacity:0;transform:translateY(-260%)}30%{opacity:1}100%{opacity:1;transform:none}}
@keyframes pfStrikeUp{0%{opacity:0;transform:translateY(220%)}30%{opacity:1}100%{opacity:1;transform:none}}
@keyframes pfCool{0%{opacity:1;filter:brightness(1.35) saturate(1.2)}25%{opacity:1;filter:none}100%{opacity:0}}
@keyframes pfEmber{0%{opacity:0;transform:scale(.4)}12%{opacity:1}100%{opacity:0;transform:scale(1.1)}}
@keyframes pfFade{to{opacity:1}}

/* ---------- Footer ---------- */
footer{background:var(--deep);border-top:1px solid var(--line);padding:clamp(3.5rem,7vw,5rem) 0 2rem}
.foot{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:2.5rem}
.foot .brand img{height:24px;width:auto}
.foot .brand p{color:var(--faint);font-size:.9375rem;margin-top:1rem;max-width:34ch}
.tx-badge{display:inline-flex;align-items:center;gap:.55rem;margin-top:1.25rem;padding:.45em .9em .45em .5em;border-radius:980px;background:rgba(255,255,255,.06);box-shadow:inset 0 0 0 1px var(--line);font-size:.8125rem;font-weight:650}
.tx-badge .star{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(140deg,#bf2a2a,#7d1717)}
.foot h4{font-size:.75rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);margin-bottom:1rem}
.foot ul{list-style:none;display:grid;gap:.65rem;font-size:.9375rem}
.foot ul a{color:var(--muted);transition:color .25s,padding .4s var(--out)}
.foot ul a:hover{color:#fff;padding-left:.35rem}
.foot-bottom{display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--line);font-size:.75rem;color:var(--faint)}
.foot-bottom nav{display:flex;flex-wrap:wrap;gap:1.25rem}
.foot-bottom a:hover{color:#fff}
.credit{flex-basis:100%;display:inline-flex;align-items:center;gap:.35rem;color:var(--faint)}
.credit b{color:var(--muted);font-weight:650;transition:color .25s}
.credit:hover b{color:var(--ice)}

/* ---------- Responsive (shared) ---------- */
@media (max-width:900px){
  .foot{grid-template-columns:1fr 1fr}
  .foot .brand{grid-column:span 2}
}
@media (max-width:860px){
  .nav ul{position:fixed;inset:68px 0 auto 0;flex-direction:column;gap:0;margin:0;padding:.5rem 1.25rem 1.5rem;background:rgba(38,40,44,.96);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--line);font-size:1.25rem;font-weight:650;clip-path:inset(0 0 100% 0);transition:clip-path .6s var(--ease)}
  .nav ul li{border-bottom:1px solid var(--line)}
  .nav ul a{display:block;padding:1rem 0;color:#fff}
  .nav ul a::after{display:none}
  .menu-open .nav ul{clip-path:inset(0 0 0 0)}
  .menu-btn{display:block}
  .nav .wrap>.btn{display:none}
}
@media (max-width:520px){
  .foot{grid-template-columns:1fr}
  .foot .brand{grid-column:auto}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal,.wipe{opacity:1;transform:none;clip-path:none}
  .line>span{transform:none}
}
@media (prefers-reduced-transparency:reduce){
  .nav.solid,.nav.always{background:var(--deep);backdrop-filter:none;-webkit-backdrop-filter:none}
}