:root {
    --primary-blue: #093DC4;
    --primary-blue-glow: rgba(9, 61, 196, 0.3);
    --bg-dark: #050505;
    --surface-dark: #0A0A0A;
    --text-neutral: #a3a3a3;
    --text-white: #ffffff;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-neutral);
    margin: 0;
    overflow-x: hidden;
}

/* Custom Grid Pattern */
.grid-bg {
    background-image:
        linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 70%);
}

/* Beam Animation CSS */
.beam-border-v {
    position: absolute; top: 0; bottom: 0; left: 0; width: 1px;
    background: rgba(255,255,255,0.05); overflow: hidden; z-index: 10;
}
.beam-border-v::after {
    content: ''; position: absolute; top: 0; left: 0; bottom: 0; right: 0;
    background: linear-gradient(to bottom, transparent, var(--primary-blue), transparent);
    transform: translateY(-100%);
    animation: beam-drop 5s cubic-bezier(0.4, 0, 0.2, 1) infinite;
    opacity: 0.7;
}
.beam-border-h {
    position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
    background: rgba(255,255,255,0.05); overflow: hidden; z-index: 10;
}
.beam-border-h::after {
    content: ''; position: absolute; top: 0; left: 0; bottom: 0; right: 0;
    background: linear-gradient(to right, transparent, var(--primary-blue), transparent);
    transform: translateX(-100%);
    animation: beam-slide 7s cubic-bezier(0.4, 0, 0.2, 1) infinite;
    animation-delay: 2.5s;
    opacity: 0.7;
}
@keyframes beam-drop {
    0% { transform: translateY(-100%); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(100%); opacity: 0; }
}
@keyframes beam-slide {
    0% { transform: translateX(-100%); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateX(100%); opacity: 0; }
}

/* Card Hover Effects */
.floating-card {
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94), z-index 0s;
    will-change: transform;
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.floating-card:hover {
    transform: scale(1.05) translateY(-10px) !important;
    z-index: 50;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border-color: var(--primary-blue-glow);
}

/* Button Animation */
.btn-wrapper {
    transition: all 0.3s ease;
}
.btn-wrapper:hover .btn {
    background-color: var(--primary-blue);
    color: #fff;
    border-color: var(--primary-blue);
}
.btn {
    transition: all 0.3s ease;
}

/* Selection */
::selection {
    background-color: var(--primary-blue);
    color: white;
}

/* Animation Keyframe */
@keyframes fadeSlideIn {
    0% {
        opacity: 0;
        transform: translateY(30px);
        filter: blur(8px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0px);
    }
}

.animate-on-scroll { 
    animation-play-state: paused; 
}
.animate-on-scroll.animate { 
    animation-play-state: running; 
}

/* Custom Upload Zone */
.upload-zone {
    border: 2px dashed rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(10px);
}
.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--primary-blue);
    background: rgba(9, 61, 196, 0.05);
    box-shadow: 0 0 30px rgba(9, 61, 196, 0.1);
}

/* Instructions List */
.instruction-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #737373;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}
.instruction-item svg {
    color: var(--primary-blue);
}