.c-sticky-top {
    position: sticky;
    top: 0;
    z-index: 100;
}

.backdrop-blur-md {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.cloud {
    opacity: 0.85;
    will-change: transform, opacity;
    animation: fade-in 20s ease-out forwards;
}

.cloud-1 {
    top: 10%;
    width: 50%;
    animation: float-slow 1000s linear infinite;
    transform: translateX(10vw);
}

.cloud-2 {
    top: 45%;
    width: 40%;
    animation: float-medium 300s linear infinite;
    transform: translateX(60vw);
}

.cloud-3 {
    top: 75%;
    width: 35%;
    animation: float-fast 50s linear infinite;
    transform: translateX(75vw);
}

@keyframes float-slow {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(200vw);
    }
}

@keyframes float-medium {
    from {
        transform: translateX(60vw);
    }
    to {
        transform: translateX(-40vw);
    }
}

@keyframes float-fast {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(200vw);
    }
}

@keyframes fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 0.8;
    }
}

:root {
    --nav-height: 0px;
}

.calc-height {
    min-height: calc(100vh - var(--nav-height));
}

.pattern-background {
    /* background-image: url('/assets/austria.jpg'); */
    background-color: #314456;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.pattern-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('/assets/a-pattern-dark.svg');
    background-repeat: repeat;
    background-position: 0 -15px;
    background-size: 550px auto;
    z-index: 0;
    pointer-events: none;
}

.pattern-background > * {
    position: relative;
    z-index: 1;
}

/* Scroll animation classes */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.animate-slide-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s ease-out;
}

.animate-slide-left.animate-in {
    opacity: 1;
    transform: translateX(0);
}

.animate-slide-right {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.6s ease-out;
}

.animate-slide-right.animate-in {
    opacity: 1;
    transform: translateX(0);
}

.animate-fade-in {
    opacity: 0;
    transition: opacity 0.6s ease-out;
}

.animate-fade-in.animate-in {
    opacity: 1;
}

/* Auto-scrolling screenshot animation */
.screenshot-scroll-container {
    max-height: 400px;
    overflow: hidden;
    border-radius: 1rem;
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.screenshot-scroll-container img {
    width: 100%;
    height: auto;
    display: block;
    transform: translateY(0);
}

.screenshot-scroll-container.screenshot-animate img {
    animation: auto-scroll 25s ease-in-out infinite 1s;
}

@keyframes auto-scroll {
    0%,
    10% {
        transform: translateY(0);
    }
    45%,
    55% {
        transform: translateY(calc(-100% + 500px));
    }
    90%,
    100% {
        transform: translateY(0);
    }
}

/* Staggered animation delays */
.delay-100 {
    transition-delay: 0.1s;
}
.delay-200 {
    transition-delay: 0.2s;
}
.delay-300 {
    transition-delay: 0.3s;
}
.delay-400 {
    transition-delay: 0.4s;
}
.delay-500 {
    transition-delay: 0.5s;
}

/* Modal styles */
#screenshot-modal {
    backdrop-filter: blur(5px);
}

#screenshot-modal.hidden {
    display: none;
}

/* Animated highlight effect */
.animate-highlight {
    position: relative;
    display: inline;
    background-image: linear-gradient(to right, rgba(251, 146, 60, 0.4) 0%, rgba(251, 146, 60, 0.4) 100%);
    background-repeat: no-repeat;
    background-size: 0% 100%;
    background-position: left center;
    padding: 2px 4px;
    margin: 0 -4px;
    border-radius: 4px;
}

.animate-highlight.highlight-in {
    animation: highlightMarker 1.5s ease-out forwards;
}

@keyframes highlightMarker {
    0% {
        background-size: 0% 100%;
    }
    100% {
        background-size: 100% 100%;
    }
}