/* WKTV — motion & interaction layer. Loaded after styles.css on the static pages. */

/* ---------- Scroll progress bar ---------- */
.fx-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:1000;pointer-events:none;
  background:linear-gradient(90deg,#ff7777,#ee302f 55%,#9b161c);transform-origin:0 50%;transform:scaleX(0);
  box-shadow:0 0 12px #ee302f99}

/* ---------- Sticky glass header (desktop) ---------- */
@media(min-width:951px){
  html{scroll-padding-top:100px}
  header{position:sticky;top:0;z-index:900;transition:height .35s cubic-bezier(.2,.7,.2,1),border-color .35s}
  header::before{content:'';position:absolute;top:0;bottom:-1px;left:calc(50% - 50vw);right:calc(50% - 50vw);z-index:-1;
    background:rgba(10,10,12,.72);-webkit-backdrop-filter:blur(16px) saturate(140%);backdrop-filter:blur(16px) saturate(140%);
    border-bottom:1px solid rgba(255,255,255,.07);opacity:0;transition:opacity .35s}
  header .brand,header .brand img{transition:width .35s cubic-bezier(.2,.7,.2,1),height .35s cubic-bezier(.2,.7,.2,1)}
  header.fx-scrolled{height:84px;border-color:transparent}
  header.fx-scrolled::before{opacity:1}
  header.fx-scrolled .brand{width:110px}
  header.fx-scrolled .brand img{height:70px}
}

/* ---------- Nav underline ---------- */
nav a{position:relative;transition:color .2s}
nav a::after{content:'';position:absolute;left:0;right:0;bottom:-6px;height:2px;border-radius:2px;background:var(--red);
  transform:scaleX(0);transform-origin:right;transition:transform .3s cubic-bezier(.2,.7,.2,1)}
nav a:hover{color:#fff}
nav a:hover::after,nav a.fx-active::after{transform:scaleX(1);transform-origin:left}
nav a.fx-active{color:#fff}

/* ---------- Hero entrance ---------- */
@keyframes fx-rise{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
@keyframes fx-zoom{from{opacity:0;transform:translateY(30px) scale(.96)}to{opacity:1;transform:none}}
.hero-copy>*,.help-heading>*{animation:fx-rise .8s cubic-bezier(.2,.7,.2,1) both}
.hero-copy>*:nth-child(2),.help-heading>*:nth-child(2){animation-delay:.1s}
.hero-copy>*:nth-child(3),.help-heading>*:nth-child(3){animation-delay:.2s}
.hero-copy>*:nth-child(4),.help-heading>*:nth-child(4){animation-delay:.3s}
.hero-copy>*:nth-child(5),.help-heading>*:nth-child(5){animation-delay:.4s}
.screen-scene{animation:fx-zoom 1.1s .25s cubic-bezier(.2,.7,.2,1) both}
.screen-scene.fx-tilt{animation:none;transition:transform .6s cubic-bezier(.2,.7,.2,1);will-change:transform;
  transform:perspective(1200px) translateY(var(--py,0px)) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg))}

/* Floating label bob + live dot pulse */
@keyframes fx-bob{0%,100%{translate:0 0}50%{translate:0 -8px}}
.floating-label{animation:fx-bob 5s ease-in-out 1.4s infinite}
@keyframes fx-pulse{0%{box-shadow:0 0 0 0 #ee302faa}70%{box-shadow:0 0 0 9px #ee302f00}100%{box-shadow:0 0 0 0 #ee302f00}}
.dot{animation:fx-pulse 2.2s ease-out infinite}
.fb-group .dot{animation:none}

/* ---------- Scroll reveal ---------- */
.fx-reveal{opacity:0;transform:translateY(34px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1);
  transition-delay:var(--fx-delay,0s)}
.fx-reveal.fx-in{opacity:1;transform:none}

/* ---------- Card spotlight + lift ---------- */
.fx-card{position:relative;isolation:isolate;transition:transform .35s cubic-bezier(.2,.7,.2,1),box-shadow .35s,border-color .35s}
.fx-card::after{content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:2;opacity:0;transition:opacity .35s;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(238,48,47,.16),transparent 60%);mix-blend-mode:screen}
.fx-card:hover::after{opacity:1}
@media(hover:hover){.fx-card:hover{transform:translateY(-4px);box-shadow:0 22px 50px #0007,0 0 0 1px rgba(238,48,47,.22)}}
.fx-card.fx-reveal{transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1);transition-delay:var(--fx-delay,0s)}

/* ---------- Button shine ---------- */
.button{position:relative;overflow:hidden;isolation:isolate}
.button::after{content:'';position:absolute;top:0;bottom:0;left:-60%;width:45%;z-index:1;pointer-events:none;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.28),transparent);transform:skewX(-20deg);transition:left .7s cubic-bezier(.2,.7,.2,1)}
.button:hover::after{left:120%}
.button span{display:inline-block;transition:transform .25s cubic-bezier(.2,.7,.2,1)}
.button:hover span{transform:translate(3px,-3px)}
.text-link span{display:inline-block;transition:transform .25s}
.text-link:hover span{transform:translateY(3px)}

/* FAQ / accordion open animation */
details[open]>*:not(summary){animation:fx-rise .45s cubic-bezier(.2,.7,.2,1) both}

/* Device band marquee-like shimmer on brand names */
.band-inner b{transition:color .25s,transform .25s;display:inline-block}
.band-inner b:hover{color:var(--red);transform:translateY(-2px)}

/* ---------- Back to top ---------- */
.fx-top{position:fixed;right:22px;bottom:22px;z-index:950;width:48px;height:48px;border-radius:50%;border:1px solid #3a3a40;
  background:rgba(20,20,24,.82);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#fff;font-size:20px;
  display:grid;place-items:center;opacity:0;transform:translateY(16px) scale(.9);pointer-events:none;
  transition:opacity .3s,transform .3s,background .2s,border-color .2s;box-shadow:0 10px 30px #0006}
.fx-top.fx-show{opacity:1;transform:none;pointer-events:auto}
.fx-top:hover{background:var(--red);border-color:var(--red)}

/* ---------- Respect reduced motion ---------- */
@media(prefers-reduced-motion:reduce){
  .hero-copy>*,.help-heading>*,.screen-scene,.floating-label,.dot,details[open]>*:not(summary){animation:none!important}
  .fx-reveal{opacity:1!important;transform:none!important;transition:none!important}
  .screen-scene.fx-tilt{transform:none!important}
  .button::after{display:none}
}
@media(max-width:650px){.fx-top{width:40px;height:40px;right:14px;bottom:14px;font-size:17px}}

/* Nav: no visible scrollbar. Tablets wrap the links; phones swipe with a fade hint. */
nav{scrollbar-width:none;-ms-overflow-style:none}
nav::-webkit-scrollbar{display:none}
@media(min-width:651px) and (max-width:950px){
  nav{overflow:visible;flex-wrap:wrap;white-space:normal;row-gap:12px}
}
@media(max-width:650px){
  nav{-webkit-mask-image:linear-gradient(90deg,#000 85%,transparent);mask-image:linear-gradient(90deg,#000 85%,transparent)}
  nav a:last-child{padding-right:28px}
}