/*
sustainability.css
Modernized UI - Alternating Layouts with Glassmorphism
*/

:root {
    --brand-blue: #133880;
    --text-muted: #4a5568;
    --glass-white: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
}

/* --- Section Container --- */

#sustainability {
    width: 100%;
    max-width: 1440px;
    margin: auto;
    box-sizing: border-box;
    overflow: hidden;

    /* 🔧 Responsive vertical spacing */
    padding: clamp(60px, 8vw, 100px) 2rem;
}

/* --- Layer Layout --- */

.sustainability-layer {
    display: flex;
    align-items: center;
    gap: clamp(30px, 5vw, 60px);

    /* 🔧 Controlled spacing between blocks */
    margin-bottom: clamp(60px, 10vw, 120px);

    opacity: 0;
    transform: translateY(30px);
    transition: all 1s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* Alternating layout */
.sustainability-layer.reverse {
    flex-direction: row-reverse;
}

/* --- Content Card --- */

.sustainability-text {
    flex: 1;
    padding: 3rem;
    background: var(--glass-white);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.05);
}

/* Typography */

.sustainability-text h2 {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    color: var(--brand-blue);
    margin-bottom: 1.5rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.sustainability-text p {
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    line-height: 1.8;
    color: var(--text-muted);
}

/* --- Image Presentation --- */

.sustainability-image {
    flex: 1;

    /* 🔧 Prevents overflow on narrow screens */
    display: flex;
    justify-content: center;
}

.sustainability-image img {
    width: 100%;
    max-width: 600px;
    height: auto;
    display: block;
    border-radius: 30px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
    transition: transform 0.5s ease;
}

.sustainability-layer:hover .sustainability-image img {
    transform: scale(1.03);
}

/* --- Fade-in Effect --- */

.sustainability-layer.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Tablet & Mobile --- */

@media (max-width: 992px) {
    .sustainability-layer,
    .sustainability-layer.reverse {
        flex-direction: column !important;
        gap: 30px;
        margin-bottom: 70px;
    }

    .sustainability-text {
        padding: 2.25rem 1.5rem;
        text-align: center;
        width: 100%;
        box-sizing: border-box;
    }

    .sustainability-image {
        width: 100%;
    }
}

@media (max-width: 600px) {
    #sustainability {
        padding: 50px 1.25rem;
    }

    .sustainability-text {
        border-radius: 20px;
        padding: 1.5rem;
    }

    .sustainability-text h2 {
        font-size: 1.6rem;
    }

    .sustainability-image img {
        border-radius: 20px;
        max-width: 100%;
    }
}