/* CRITICAL: Fix white borders on overscroll */
:root {
    --gradient-color-1: #0a0a1a;
    --gradient-color-2: #1e1b4b;
    --gradient-color-3: #134e4a;
}

html, body {
    background: #0a0a1a !important;
    background-attachment: fixed !important;
    overscroll-behavior: none;
}

html {
    background: linear-gradient(to bottom right, var(--gradient-color-1), var(--gradient-color-2), var(--gradient-color-3)) fixed !important;
    min-height: 100vh;
    transition: background 3s ease-in-out;
}

body {
    background: linear-gradient(to bottom right, var(--gradient-color-1), var(--gradient-color-2), var(--gradient-color-3)) fixed !important;
    min-height: 100vh;
    overflow-x: hidden;
    transition: background 3s ease-in-out;
}

/* Ensure body always covers viewport */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom right, var(--gradient-color-1), var(--gradient-color-2), var(--gradient-color-3));
    z-index: -1;
    transition: background 3s ease-in-out;
}

/* Page transition animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.page-container {
    animation: fadeIn 0.4s ease-out;
}

.card-appear {
    animation: scaleIn 0.3s ease-out;
}

.slide-in-right {
    animation: slideInFromRight 0.4s ease-out;
}

html {
    scroll-behavior: smooth;
}

a {
    transition: all 0.2s ease;
}

button {
    transition: all 0.15s ease;
}

button:active {
    transform: scale(0.97);
}

.card-hover {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

nav {
    transition: all 0.3s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-appear {
    animation: modalFadeIn 0.25s ease-out;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.loading-pulse {
    animation: pulse 1.5s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.no-flash {
    opacity: 0;
    animation: fadeIn 0.4s ease-out forwards;
}