.gradient-bg {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #3b82f6 100%);
}
.gradient-text {
    background: linear-gradient(135deg, #2563eb 0%, #007ACC 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.glass-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.logo-carousel {
    animation: scroll 30s linear infinite;
}
@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
.logo-carousel:hover {
    animation-play-state: paused;
}
html {
    scroll-behavior: smooth;
}
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}
/* Scroll reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
/* Staggered children animation */
.reveal-stagger > * {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}
.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 80ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 160ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 240ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 320ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 400ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(7) { transition-delay: 480ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(8) { transition-delay: 560ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(9) { transition-delay: 640ms; opacity: 1; transform: translateY(0); }
/* Progress line animation */
.progress-line {
    background: linear-gradient(90deg, #3b82f6 0%, #93c5fd 50%, #3b82f6 100%);
    background-size: 200% 100%;
    animation: shimmer-line 2s ease-in-out infinite;
}
@keyframes shimmer-line {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}
/* Scroll-to-top subtle pulse */
#scrollTop.visible {
    animation: gentle-pulse 2s ease-in-out infinite;
}
@keyframes gentle-pulse {
    0%, 100% { box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3); }
    50% { box-shadow: 0 4px 20px rgba(37, 99, 235, 0.5); }
}
/* Nav active indicator */
.nav-link.active {
    color: #2563eb;
}
.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: #2563eb;
    border-radius: 1px;
}

.landing-delay-1 {
    animation-delay: 1s;
}

.landing-delay-500 {
    animation-delay: 500ms;
}

.landing-progress-94 {
    width: 94%;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .logo-carousel,
    .progress-line,
    #scrollTop.visible {
        animation: none;
    }

    .reveal,
    .reveal-stagger > * {
        opacity: 1;
        transform: none;
        transition: none;
    }
}