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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
.visual-frame,.device-image{position:relative}
.hero h1 span{display:block;font-size:clamp(25px,3vw,34px);line-height:1.25;letter-spacing:-1.2px;margin-top:15px}
.visual-frame::after,.device-image::after{content:'RIGCORE / MINING HARDWARE';position:absolute;top:0;left:0;width:58%;height:110px;padding:24px;display:flex;align-items:flex-start;background:linear-gradient(90deg,#081723 78%,rgba(8,23,35,0));color:#75d4f5;font-family:var(--font-head);font-size:10px;font-weight:700;letter-spacing:1.7px;pointer-events:none}
@media(max-width:700px){.visual-frame::after,.device-image::after{height:76px;padding:15px;font-size:8px;width:65%}}

/* --- Animasi: elemen masuk saat digulir ([data-reveal], diaktifkan script.js) --- */
.js [data-reveal]{opacity:0;transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1);transition-delay:var(--delay,0ms)}
.js [data-reveal="left"]{transform:translateX(-48px)}
.js [data-reveal="right"]{transform:translateX(48px)}
.js [data-reveal="up"]{transform:translateY(36px)}
.js [data-reveal].is-visible{opacity:1;transform:none}
/* Kartu fitur tetap bisa naik saat hover setelah tampil. */
.js .feature-card[data-reveal].is-visible:hover{transform:translateY(-4px)}

/* --- Animasi sederhana yang terus berjalan --- */
.site-header{position:sticky;top:0;transition:background .3s,box-shadow .3s;backdrop-filter:blur(10px)}
.site-header.is-scrolled{background:rgba(6,15,26,.97);box-shadow:0 10px 30px rgba(0,0,0,.35)}
.visual-frame img{animation:float 6s ease-in-out infinite}
.hero-glow{animation:glow 7s ease-in-out infinite}
.eyebrow-dot,.pulse{animation:ping 2s ease-in-out infinite}
.scroll-cue span{display:inline-block;animation:nudge 1.8s ease-in-out infinite}
.signal-inner i{animation:ping 2.4s ease-in-out infinite}
.signal-inner i:nth-of-type(2){animation-delay:.4s}
.signal-inner i:nth-of-type(3){animation-delay:.8s}
.perspective-art img{animation:float 5s ease-in-out infinite}
.perspective-art:before{animation:spin-pulse 9s linear infinite}
.perspective-art:after{animation:spin-pulse 13s linear infinite reverse}
.feature-icon{transition:transform .3s,box-shadow .3s}
.feature-card:hover .feature-icon{transform:rotate(-6deg) scale(1.08);box-shadow:0 0 22px rgba(85,203,247,.35)}
.step-arrow{transition:transform .3s}
.step:hover .step-arrow{transform:translate(4px,-4px)}
.button-primary{position:relative;overflow:hidden}
.button-primary:after{content:'';position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);transform:skewX(-20deg);animation:shine 4.5s ease-in-out infinite}

@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes glow{0%,100%{opacity:.09;transform:scale(1)}50%{opacity:.17;transform:scale(1.08)}}
@keyframes ping{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(1.6)}}
@keyframes nudge{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}
@keyframes spin-pulse{0%{transform:rotate(0) scale(1)}50%{transform:rotate(180deg) scale(1.04)}100%{transform:rotate(360deg) scale(1)}}
@keyframes shine{0%,60%{left:-60%}100%{left:130%}}
