/* ===================================================
   ZynoSec — Animations (Award-winning quality)
   =================================================== */

/* --- Glow Pulse (CTAs / accents) --- */
@keyframes glow-pulse {
    0%, 100% { box-shadow: 0 0 15px var(--accent-glow), 0 0 30px rgba(0, 240, 255, 0.05); }
    50% { box-shadow: 0 0 25px var(--accent-glow), 0 0 50px rgba(0, 240, 255, 0.1), 0 0 80px rgba(0, 240, 255, 0.03); }
}

.glow-pulse {
    animation: glow-pulse 3s ease-in-out infinite;
}

/* --- Text Glow --- */
@keyframes text-glow {
    0%, 100% { text-shadow: 0 0 10px var(--accent-glow); }
    50% { text-shadow: 0 0 20px var(--accent-glow), 0 0 40px rgba(0, 240, 255, 0.1); }
}

.text-glow {
    animation: text-glow 3s ease-in-out infinite;
}

/* --- Marquee --- */
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.marquee-track {
    display: flex;
    width: max-content;
    animation: marquee 40s linear infinite;
}

.marquee-track:hover {
    animation-play-state: paused;
}

.marquee-item {
    flex-shrink: 0;
    padding: 0 2rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    white-space: nowrap;
    transition: color 0.3s ease;
}

.marquee-item:hover {
    color: var(--accent-primary);
}

.marquee-item::after {
    content: '\2022';
    margin-left: 2rem;
    color: var(--accent-primary);
    opacity: 0.3;
}

/* --- Scanline sweep --- */
@keyframes scanline-sweep {
    0% { transform: translateY(-100vh); }
    100% { transform: translateY(100vh); }
}

.scanline::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.03), transparent);
    animation: scanline-sweep 10s linear infinite;
}

/* --- Nav link underline --- */
.zyno-nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 1px;
    background: var(--accent-primary);
    box-shadow: 0 0 6px var(--accent-glow);
    transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1), left 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.zyno-nav__link:hover::after,
.zyno-nav__item--active > .zyno-nav__link::after {
    width: 100%;
    left: 0;
}

/* --- Mobile nav slide --- */
@keyframes mobile-nav-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Hero load animation --- */
@keyframes hero-fade-in {
    from {
        opacity: 0;
        transform: translateY(40px);
        filter: blur(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

.hero-animate {
    animation: hero-fade-in 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

.hero-animate:nth-child(1) { animation-delay: 0.2s; }
.hero-animate:nth-child(2) { animation-delay: 0.5s; }
.hero-animate:nth-child(3) { animation-delay: 0.8s; }
.hero-animate:nth-child(4) { animation-delay: 1.1s; }

/* --- Service card top-line glow sweep --- */
@keyframes card-line-sweep {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(200%); }
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover::before {
    opacity: 1;
    animation: card-line-sweep 1.5s ease-in-out infinite;
}

/* --- Glass card inner glow on hover --- */
.glass--hover {
    position: relative;
    overflow: hidden;
}

.glass--hover::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 120%;
    height: 120%;
    transform: translate(-50%, -50%);
    background: radial-gradient(ellipse, var(--accent-subtle), transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.glass--hover:hover::after {
    opacity: 1;
}

/* --- Button hover micro-interactions --- */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn:hover::after {
    width: 300px;
    height: 300px;
}

/* --- Accent line grow --- */
.accent-line {
    transform-origin: left center;
}

/* --- Header scroll transition (enhanced) --- */
.zyno-header {
    transition: background 0.5s ease, border-color 0.5s ease, backdrop-filter 0.5s ease;
}

/* --- Scroll hint breathing --- */
@keyframes scroll-hint {
    0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
    40% { opacity: 1; transform: scaleY(1); }
    80% { opacity: 0.3; transform: scaleY(1); }
    100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

/* --- Footer link hover slide --- */
.zyno-footer__links a {
    position: relative;
    display: inline-block;
}

.zyno-footer__links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent-primary);
    transition: width 0.3s ease;
}

.zyno-footer__links a:hover::after {
    width: 100%;
}

/* --- Blog card image zoom --- */
.blog-card__image img {
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.blog-card:hover .blog-card__image img {
    transform: scale(1.08);
}

/* --- Test tag hover pulse --- */
.test-tag {
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.test-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 240, 255, 0.15);
}

/* --- Contact emergency block pulse --- */
@keyframes emergency-pulse {
    0%, 100% { border-left-color: var(--danger); }
    50% { border-left-color: rgba(255, 51, 102, 0.4); }
}

.contact-emergency {
    animation: emergency-pulse 3s ease-in-out infinite;
}

/* --- 404 title shimmer --- */
@keyframes shimmer-404 {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

.error-404__title {
    background: linear-gradient(90deg, rgba(0,240,255,0.15), rgba(0,240,255,0.4), rgba(0,240,255,0.15));
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer-404 4s ease-in-out infinite;
}