/* Kyronix Studio — Global Styles (Black & White) */
/* Tailwind is loaded via CDN in index.html */

body {
    cursor: default;
    background: #000;
    color: #fff;
}

/* ━━━━ Scrollbar ━━━━ */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: #000; }
::-webkit-scrollbar-thumb { background: #222; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #fff; }

/* ━━━━ Premium Text Gradient ━━━━ */
.premium-text-gradient {
    background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.75) 50%, rgba(255,255,255,0.2) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ━━━━ Scroll Animation ━━━━ */
@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
.animate-scroll { animation: scroll 40s linear infinite; }

/* ━━━━ Shimmer text ━━━━ */
@keyframes shimmerSlide {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}
.animate-shimmer-text {
    background: linear-gradient(120deg, #fff 20%, #aaa 40%, #ccc 55%, #fff 70%, #aaa 90%, #fff 100%);
    background-size: 250% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmerSlide 5s linear infinite;
}

/* ━━━━ Noise texture overlay ━━━━ */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-size: 256px;
}

/* ━━━━ FAQ animations ━━━━ */
.faq-fly-item {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1), transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}
.faq-fly-item.visible { opacity: 1; transform: translateX(0); }
.faq-fly-item:nth-child(1) { transition-delay: 0.05s; }
.faq-fly-item:nth-child(2) { transition-delay: 0.12s; }
.faq-fly-item:nth-child(3) { transition-delay: 0.19s; }
.faq-fly-item:nth-child(4) { transition-delay: 0.26s; }

/* ━━━━ Scroll reveal ━━━━ */
.reveal-stagger {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-stagger.visible { opacity: 1; transform: translateY(0); }

.section-fly-in {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.section-fly-in.visible { opacity: 1; transform: translateY(0); }

/* ━━━━ FAQ accordion ━━━━ */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s ease;
}

/* ━━━━ Card hover ━━━━ */
.glass-card {
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.35s ease, border-color 0.35s ease;
}
.glass-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6), 0 0 30px rgba(255, 255, 255, 0.05);
}

/* ━━━━ Nav underline ━━━━ */
.nav-link { position: relative; }
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #fff;
    transition: width 0.3s ease;
}
.nav-link:hover::after { width: 100%; }

/* ━━━━ Grid background ━━━━ */
.grid-bg {
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* ━━━━ Page transition ━━━━ */
#page-transition {
    position: fixed;
    inset: 0;
    z-index: 9990;
    background: #000;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}
#page-transition.active { opacity: 1; pointer-events: all; }

/* ━━━━ Hide scrollbar utility ━━━━ */
.hide-scrollbar { scrollbar-width: none; }
.hide-scrollbar::-webkit-scrollbar { display: none; }

/* ━━━━ Mask for scroll strip ━━━━ */
.mask-linear-fade {
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}