/* =========================================
   barvicke a pozadi
   ========================================= */
:root {
    --pico-primary: #ff5722;
    --pico-primary-hover: #e64a19;
    --pico-primary-focus: rgba(255, 87, 34, 0.25);
    --pico-background-color: #0a0e14;
}

body {
    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: 30px 30px;
    background-attachment: fixed;
}

/* =========================================
   pismenka
   ========================================= */
.hero-title {
    font-size: 3.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    background: -webkit-linear-gradient(#ffffff, #888888);
    background-clip: text;
    -webkit-background-clip: text; /* pro jablicka prej */
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.accent-line {
    height: 4px;
    width: 550px;
    background: var(--pico-primary);
    border-radius: 2px;
    margin-top: 10px;
    margin-bottom: 10px;
    box-shadow: 0 0 10px rgba(255, 87, 34, 0.5);
}

.accent-line.centered {
    margin-left: auto;
    margin-right: auto;
}


/* =========================================
   kartofle
   ========================================= */
.tech-card {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 40px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 87, 34, 0.4);
    box-shadow: 0 10px 30px -10px rgba(255, 87, 34, 0.2);
}

.inner-box {
    background: rgba(0,0,0,0.2);
    padding: 20px;
    border-radius: 8px;
}

.inner-box h3 {
    color: var(--pico-primary);
    font-size: 1.4rem;
}

.highlight-box {
    background: rgba(0,0,0,0.3); 
    padding: 20px; 
    border-radius: 8px;
    border-left: 4px solid var(--pico-primary);
}

.tech-list li {
    margin-bottom: 15px;
    font-size: 0.95rem;
    color: #cfcfcf;
}

.tech-list strong {
    color: var(--pico-primary);
}

/* =========================================
   vopicarny hejbaci
   ========================================= */

.hover-trigger {
    cursor: default;
    transition: background 0.3s ease, border-color 0.3s ease;
    border: 1px solid transparent;
}

.hover-trigger:hover {
    background: rgba(255, 87, 34, 0.05);
    border-color: rgba(255, 87, 34, 0.3);
}

.image-stack {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.6s ease-out, opacity 0.6s ease-out, margin-top 0.6s ease;
    margin-top: 0;
    perspective: 1000px;
}

.telemetry-image {
    grid-column: 1;
    grid-row: 1;
    justify-self: center;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 15px 30px rgba(0,0,0,0.6);
    max-width: 100%;
    height: auto;
    cursor: zoom-in; 
    opacity: 0;
    transform: rotateX(45deg) scale(0.9);
    transition: opacity 0.5s ease, transform 0.6s ease-out;
    pointer-events: none; 
}

/* rozvali stverec kdyz nafasuje tridu .is-active */
.image-stack.is-active {
    max-height: 95000px;
    opacity: 1;
    margin-top: 30px;
}

.hover-trigger {
    cursor: pointer;
    transition: background 0.3s ease, border-color 0.3s ease;
    border: 1px solid transparent;
}

.image-stack.show-sw-default .img-default {
    opacity: 1;
    transform: rotateX(0deg) rotateY(0deg);
    pointer-events: auto; /* Zrušíme mu duší stav, aby šel prokliknout */
}

.image-stack.show-img-1 .img-1 {
    opacity: 1;
    transform: rotateX(0deg) rotateY(0deg);
    pointer-events: auto; 
}

.image-stack.show-img-2 .img-2 {
    opacity: 1;
    transform: rotateX(0deg) rotateY(0deg);
    pointer-events: auto; 
}

.buttons-container {
    display: flex;
    justify-content: center; 
    align-items: center;
    gap: 20px;
}


/* =========================================
   zvetsovatko vobrazku
   ========================================= */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(10, 14, 20, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 9999; 
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    cursor: zoom-out; 
}

.modal-overlay.is-open {
    opacity: 1;
    pointer-events: all;
}


#modalImage {
    max-width: 90vw; 
    max-height: 90vh; 
    border-radius: 12px;
    border: 1px solid rgba(255, 87, 34, 0.3); 
    box-shadow: 0 25px 50px rgba(0,0,0,0.8); 
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.is-open #modalImage {
    transform: scale(1);
}

/* =========================================
   dvojty vobrazky (Hardware)
   ========================================= */
.hw-image-group {
    grid-column: 1;
    grid-row: 1;
    display: grid;
    grid-template-columns: 1fr 1fr; 
    gap: 20px; 
    opacity: 0;
    transform: rotateX(45deg) scale(0.9);
    transition: opacity 0.5s ease, transform 0.6s ease-out;
    pointer-events: none; 
}


.hw-image-group .telemetry-image {
    opacity: 1;
    transform: none;
    grid-column: auto;
    grid-row: auto;
    pointer-events: inherit;
}
/* default */
.hw-image-stack.show-hw-default .hw-group-default {
    opacity: 1;
    transform: rotateX(0deg) rotateY(0deg);
    pointer-events: auto;
}
/* pixle */
.hw-image-stack.show-hw-1 .hw-group-1 {
    opacity: 1;
    transform: rotateX(0deg) rotateY(0deg);
    pointer-events: auto;
}

/* vp */
.hw-image-stack.show-hw-2 .hw-group-2 {
    opacity: 1;
    transform: rotateX(0deg) rotateY(0deg);
    pointer-events: auto;
}




@media (max-width: 768px) {
    .hw-image-group {
        grid-template-columns: 1fr; 
    }
    .accent-line {
        width: 70%;
    }

    .buttons-container {
        flex-direction: column; 
        gap: 15px; 
    }
    .buttons-container a {
        width: 100%;
    }
}