/* --- Solutions Section --- */
.solutions {
    /* 400vh for 4 items scroll track - Desktop only */
    height: 400vh;
    background-color: var(--color-bg-light);
    position: relative;
    z-index: 10;
    font-family: var(--font-main);
    color: var(--color-text-dark);
}

.solutions__viewport {
    position: sticky;
    top: 0;
    height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Full Width Scroll Bar */
.solutions__scroll-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background-color: rgba(0,0,0,0.05);
    z-index: 100;
}

.solutions__scroll-fill {
    height: 100%;
    width: 0%;
    background-color: var(--color-primary);
    transition: width 0.1s linear;
    box-shadow: 0 0 10px var(--shadow-primary-glow);
}

.solutions__container {
    width: 90%;
    max-width: 1400px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-areas: 
        "header images"
        "content images"
        "footer images";
    gap: var(--space-5xl);
    align-items: center;
    position: relative;
    z-index: 1;
    height: 600px; /* Fixed height for content area */
}

/* --- Grid Areas --- */
.solutions__header-static {
    grid-area: header;
    position: relative;
    z-index: 10;
    align-self: end;
    margin-bottom: var(--space-xl);
}

.solutions__footer-static {
    grid-area: footer;
    position: relative;
    z-index: 10;
    align-self: start;
    margin-top: var(--space-xl);
}

.solutions__cards-wrapper {
    display: contents;
    list-style: none;
    padding: 0;
    margin: 0;
}

.solutions__card {
    display: contents;
}

/* --- Content (Text) --- */
.solutions__card-content {
    grid-area: content;
    grid-row: 2;
    grid-column: 1;
    
    /* Overlay logic */
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
    pointer-events: none;
    
    /* Size constraints */
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.solutions__card.active .solutions__card-content {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    z-index: 2;
}

/* --- Images --- */
.solutions__card-image {
    grid-area: images;
    grid-row: 1 / span 3;
    grid-column: 2;
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 2px;
    /* box-shadow: 0 40px 80px var(--shadow-card-strong); Moved to img wrapper or img */
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none; /* Let clicks pass through if needed */
}

.solutions__img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transform: scale(1.1);
    transition: opacity 0.8s ease, transform 1.2s cubic-bezier(0.2, 0.8, 0.2, 1);
    border-radius: 2px;
    box-shadow: 0 40px 80px var(--shadow-card-strong);
}

.solutions__card.active .solutions__img {
    opacity: 1;
    transform: scale(1);
    z-index: 1;
}

/* --- Typography --- */
.solutions__tagline {
    font-size: 0.95rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    color: var(--color-text-grey-medium);
}

.solutions__dot {
    width: 40px;
    height: 2px;
    background-color: var(--color-primary);
    display: inline-block;
}

.solutions__title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -1.5px;
    color: var(--color-text-dark);
}

.solutions__item-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.solutions__item-text {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--color-text-grey);
    max-width: 90%;
}

.solutions__cta {
    /* margin-top handled by grid gap/margin */
    position: relative;
    z-index: 10;
}

/* --- Decorative Squares --- */
.solutions__tech-squares {
    grid-area: images;
    grid-row: 1 / span 3;
    grid-column: 2;
    position: absolute;
    top: -30px;
    left: -30px;
    z-index: -1; /* Behind images */
    display: grid;
    grid-template-columns: repeat(3, 70px);
    grid-template-rows: repeat(3, 70px);
    gap: 0;
    pointer-events: none;
}

.solutions__sq {
    background-color: var(--color-bg-light);
    width: 100%;
    height: 100%;
    border: 1px solid var(--border-dark-faint);
    opacity: 0.9;
}

.solutions__sq--1 {
    grid-column: 2;
    grid-row: 1;
    background-color: var(--color-primary);
    opacity: 1;
}
.solutions__sq--2 {
    grid-column: 1;
    grid-row: 2;
}
.solutions__sq--3 {
    grid-column: 2;
    grid-row: 2;
    background-color: var(--color-text-dark);
    opacity: 1;
}

/* --- Progress Indicator (Desktop) --- */
.solutions__progress {
    position: absolute;
    right: var(--space-2xl);
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    z-index: 20;
}

.solutions__progress-dot {
    width: 12px;
    height: 12px;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    transition: all 0.4s ease;
    cursor: default; /* Changed from pointer since no click handler exists */
    position: relative;
    background-color: transparent;
}

.solutions__progress-dot::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 100%;
    height: 100%;
    background-color: var(--color-primary);
    border-radius: 50%;
    transition: transform 0.4s ease;
}

.solutions__progress-dot.active {
    transform: scale(1.5);
    box-shadow: 0 0 20px var(--shadow-primary-glow);
    border-color: var(--color-primary);
}

.solutions__progress-dot.active::after {
    transform: translate(-50%, -50%) scale(1);
}

/* --- Mobile Progress Bar --- */
.solutions__mobile-progress-container {
    display: none; /* Hidden on desktop */
}

/* --- Responsive (Mobile / Tablet) --- */
@media (max-width: 1024px) {
    .solutions {
        height: auto; /* Disable scroll track height */
        min-height: 100vh; /* Ensure full screen height */
        padding: var(--space-2xl) 0;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .solutions__viewport {
        position: static;
        height: auto;
        display: flex;
        flex-direction: column;
        flex: 1;
        width: 100%;
    }

    .solutions__scroll-bar,
    .solutions__progress {
        display: none; /* Hide desktop controls */
    }

    .solutions__container {
        display: flex;
        flex-direction: column;
        gap: var(--space-xl);
        height: auto;
        width: 100%;
        max-width: 100%;
        flex: 1;
        justify-content: center;
    }

    .solutions__header-static {
        width: 90%;
        margin: 0 auto;
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
        flex-shrink: 0;
    }

    .solutions__tagline {
        display: none;
    }

    .solutions__footer-static {
        width: 90%;
        margin: 0 auto;
        text-align: center;
        flex-shrink: 0;
    }

    /* --- Swipable Cards --- */
    .solutions__cards-wrapper {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        gap: var(--space-lg);
        padding: 0 5% var(--space-xl) 5%; /* Padding for scroll snap alignment */
        width: 100%;
        scrollbar-width: none; /* Firefox */
        align-items: stretch; /* Ensure cards are same height */
    }

    .solutions__cards-wrapper::-webkit-scrollbar {
        display: none; /* Chrome/Safari */
    }

    .solutions__card {
        display: flex;
        flex-direction: column;
        min-width: 85vw; /* Card width */
        scroll-snap-align: center;
        background: var(--bg-white);
        border-radius: 4px;
        overflow: hidden;
        box-shadow: 0 10px 30px var(--shadow-card);
    }

    .solutions__card-image {
        grid-area: auto;
        grid-row: auto;
        grid-column: auto;
        width: 100%;
        height: auto;
        aspect-ratio: 1344 / 768; /* Match native image dimensions */
        position: relative;
    }

    .solutions__img {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        opacity: 1;
        transform: none;
        box-shadow: none;
        border-radius: 0;
    }

    .solutions__card-content {
        grid-area: auto;
        grid-row: auto;
        grid-column: auto;
        position: static;
        opacity: 1;
        transform: none;
        pointer-events: auto;
        padding: var(--space-xl);
        text-align: left;
        flex: 1; /* Fill remaining space in card */
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .solutions__item-title {
        font-size: 1.5rem;
    }

    .solutions__item-text {
        font-size: 1rem;
        max-width: 100%;
    }

    /* Hide decorative squares on mobile to reduce clutter */
    .solutions__tech-squares {
        display: none;
    }

    /* --- Mobile Progress Bar --- */
    .solutions__mobile-progress-container {
        display: flex;
        justify-content: center;
        margin-top: var(--space-lg);
        width: 100%;
        flex-shrink: 0;
    }

    .solutions__mobile-progress-bar {
        width: 200px;
        height: 4px;
        background-color: rgba(0,0,0,0.1);
        border-radius: 2px;
        overflow: hidden;
        position: relative;
    }

    .solutions__mobile-progress-fill {
        position: absolute;
        top: 0;
        left: 0;
        height: 100%;
        width: 0%;
        background-color: var(--color-primary);
        transition: width 0.1s linear;
    }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    .solutions__scroll-fill,
    .solutions__card-content,
    .solutions__img,
    .solutions__progress-dot,
    .solutions__progress-dot::after,
    .solutions__mobile-progress-fill {
        transition: none !important;
        transform: none !important;
        opacity: 1 !important;
        animation: none !important;
    }

    /* Ensure all content is visible since scroll effects are disabled */
    .solutions__card-content {
        opacity: 1;
        transform: none;
    }
    
    .solutions__img {
        opacity: 1;
        transform: none;
    }
}