:root {
    --brand-blue: #0084C8;
    --brand-green: #28A745;
    --brand-red: #E53E3E;
    --brand-black: #000000;
}

/* Logo styling */
.logo-container {
    background-color: transparent;
    border-radius: 8px;
    padding: 0;
    display: inline-block;
    position: relative; /* anchor for the 1px star hit-target */
}
.logo-img {
    max-height: 220px;
    width: auto;
    object-fit: contain;
    display: block;
}
/* Invisible 1×1 click target at the center of the AI star on the logo */
.logo-star-pixel {
    position: absolute;
    left: 94.48%;
    top: 94.48%;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: 0;
    border: 0;
    background: transparent;
    opacity: 0;
    cursor: default;
    z-index: 5;
    /* Expand hit area slightly via transparent padding without changing visual size:
       keep the visible/layout box at 1×1; use a larger invisible overlay via outline-offset trick won't work.
       Use transform so the element stays 1×1 but is easier? User asked for a pixel — keep 1×1. */
    transform: translate(-50%, -50%);
    text-decoration: none;
    color: transparent;
    font-size: 0;
    line-height: 0;
    overflow: hidden;
}

/* Water Header Container */
.flush-header {
    position: relative;
    background: radial-gradient(circle at 50% 50%, #0c4a6e 0%, #020617 55%, #010814 100%);
    overflow: hidden;
}

/* Drain particle canvas (accelerating plunge effect) */
#vortexCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    filter: blur(2px);
    transform: translateZ(0);
    will-change: transform;
    backface-visibility: hidden;
}

/* Full Page Flush Overlay */
#flushOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at center, rgba(14, 165, 233, 0.95) 0%, rgba(3, 7, 18, 0.98) 100%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

#flushOverlay.flushing {
    opacity: 1;
    pointer-events: all;
}

.flush-spinner {
    width: 140px;
    height: 140px;
    border: 8px solid rgba(255, 255, 255, 0.2);
    border-top: 8px solid #38bdf8;
    border-right: 8px solid #0284c7;
    border-radius: 50%;
    animation: flushVortex 0.7s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

@keyframes flushVortex {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(360deg) scale(0.65); }
    100% { transform: rotate(720deg) scale(0.1); }
}

/* Card animations & Hover effects */
.news-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: fadeIn 0.4s ease-out forwards;
}
.news-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px -5px rgba(0, 132, 200, 0.35), 0 8px 10px -6px rgba(0, 132, 200, 0.2);
    border-color: var(--brand-blue);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #0f172a; }
::-webkit-scrollbar-thumb { background: var(--brand-blue); border-radius: 4px; }