:root {
    --primary-color: #0062ff;
    --bg-dark: #0b0e11;
    --card-bg: #1e2329;
    --text-main: #eaecef;
    --text-muted: #848e9c;
    --border-color: #2b3139;
    --success: #26a69a;
    --danger: #ef5350;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
}

/* Ensure readability on dark backgrounds */
.text-muted {
    color: var(--text-muted) !important;
}

.text-light {
    color: #fff !important;
}

.fs-3, .fs-5, h1, h2, h3, h4 {
    color: #ffffff;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

/* Contrast optimization */
.alert {
    background: rgba(239, 83, 80, 0.1);
    color: #ef5350;
    border: 1px solid rgba(239, 83, 80, 0.2);
}

.bg-black {
    background-color: #000000 !important;
}


main.container {
    padding-top: 30px;
    position: relative;
    z-index: 5;
}

#heroCarousel {
    margin-top: 0;
    overflow: hidden;
    border-radius: 24px;
}
.carousel-content {
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    background-size: cover !important;
    background-position: center !important;
}
.carousel-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}
.carousel-content > div {
    position: relative;
    z-index: 2;
}

/* Coin Cards */
.coin-card {
    border: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.coin-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.price-up { color: var(--success) !important; }
.price-down { color: var(--danger) !important; }

/* Icons */
.icon-box {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    margin-bottom: 1.5rem;
    transition: transform 0.3s;
}
.icon-box:hover {
    transform: scale(1.1);
}

/* Partner Cards */
.partner-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    transition: all 0.3s;
    height: 100px;
    filter: grayscale(0.5);
    opacity: 0.8;
}
.partner-card:hover {
    filter: grayscale(0);
    opacity: 1;
    border-color: var(--text-muted);
}

/* Footer status */
.status-indicator {
    width: 8px;
    height: 8px;
    background: #00ff00;
    border-radius: 50%;
    display: inline-block;
    margin-right: 8px;
    box-shadow: 0 0 8px #00ff00;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.7; }
    70% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.7; }
}

@media (max-width: 768px) {
    .carousel-content {
        height: 400px !important;
        padding: 20px !important;
    }
    .display-3 {
        font-size: 1.8rem !important;
    }
    .lead {
        font-size: 1rem !important;
    }
    .btn-lg {
        padding: 10px 20px !important;
        font-size: 14px !important;
    }
    .market-section h2 {
        font-size: 1.5rem;
    }
    .col-md-3 {
        width: 50% !important;
        flex: 0 0 auto;
    }
    .coin-card .card-body {
        padding: 15px !important;
    }
    .price-display {
        font-size: 1.2rem !important;
    }
    .icon-box {
        width: 50px;
        height: 50px;
    }
    .icon-box i {
        font-size: 1.5rem !important;
    }
    .why-us h2 {
        font-size: 1.8rem !important;
    }
}