/* Nexus ATS - Corporate Theme
   Colors: navy-900 (#0f1b2d), primary-600 (#2563eb), navy-50 (#f0f4f8)
*/

/* ===== Animations ===== */

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 5px rgba(37, 99, 235, 0.2); }
    50% { box-shadow: 0 0 20px rgba(37, 99, 235, 0.4); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

.animate-slide-up {
    animation: slideUp 0.3s ease-out forwards;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-glow {
    animation: glow 2s ease-in-out infinite;
}

/* Staggered children */
.stagger > * {
    opacity: 0;
    animation: fadeInUp 0.5s ease-out forwards;
}
.stagger > *:nth-child(1) { animation-delay: 0.05s; }
.stagger > *:nth-child(2) { animation-delay: 0.1s; }
.stagger > *:nth-child(3) { animation-delay: 0.15s; }
.stagger > *:nth-child(4) { animation-delay: 0.2s; }
.stagger > *:nth-child(5) { animation-delay: 0.25s; }
.stagger > *:nth-child(6) { animation-delay: 0.3s; }
.stagger > *:nth-child(7) { animation-delay: 0.35s; }
.stagger > *:nth-child(8) { animation-delay: 0.4s; }

/* Smooth hover transitions */
.card-hover {
    transition: all 0.2s ease;
}
.card-hover:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px -5px rgba(15, 27, 45, 0.1), 0 4px 10px -5px rgba(15, 27, 45, 0.05);
}

/* ===== 3D Card Tilt Effect ===== */
.tilt-card {
    transition: transform 0.1s ease;
    transform-style: preserve-3d;
    perspective: 800px;
}

.tilt-card:hover {
    transform: perspective(800px) rotateX(var(--tilt-y, 0deg)) rotateY(var(--tilt-x, 0deg));
    box-shadow: 0 20px 40px -10px rgba(15, 27, 45, 0.15), 0 8px 20px -5px rgba(15, 27, 45, 0.1);
}

.tilt-card .card-shine {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--shine-x, 50%) var(--shine-y, 50%), rgba(255,255,255,0.1) 0%, transparent 60%);
    pointer-events: none;
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.3s;
}

.tilt-card:hover .card-shine {
    opacity: 1;
}

/* ===== Card Flip Effect ===== */
.flip-card {
    perspective: 1000px;
}
.flip-card-inner {
    transition: transform 0.6s;
    transform-style: preserve-3d;
}
.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}
.flip-card-front, .flip-card-back {
    backface-visibility: hidden;
    position: absolute;
    inset: 0;
}
.flip-card-back {
    transform: rotateY(180deg);
}

/* ===== Skill Tag Pop Effect ===== */
.skill-tag {
    transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.skill-tag:hover {
    transform: scale(1.08);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

/* ===== Shimmer Loading Skeleton ===== */
.shimmer {
    background: linear-gradient(90deg, #f0f4f8 25%, #e2e8f0 50%, #f0f4f8 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 8px;
}

/* ===== Verified Badge Glow ===== */
.verified-glow {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5);
    animation: pulse-glow 2s infinite;
}
@keyframes pulse-glow {
    0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5); }
    70% { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
    100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

/* ===== Scroll-triggered 3D parallax ===== */
.parallax-section {
    transform-style: preserve-3d;
}
.parallax-layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
    will-change: transform;
}

/* Typography */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #f0f4f8; }
::-webkit-scrollbar-thumb { background: #bcccdc; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #9fb3c8; }

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .card-hover:hover, .tilt-card:hover, .skill-tag:hover { transform: none; }
    .flip-card:hover .flip-card-inner { transform: none; }
}