/* Smooth Scroll */
html { 
    scroll-behavior: smooth; 
}

/* Background Pattern Logic */
body {
    background-color: #ffffff;
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
}

html.dark body {
    background-color: #000000; 
}

/* Text Shadow for Pattern Visibility */
.pattern-text {
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.8), 0 0 20px rgba(255, 255, 255, 0.5);
}
html.dark .pattern-text {
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 0, 0, 0.5);
}

/* Doodle Pattern Visibility */
.bg-pattern {
    /* Adjusted path: goes up two levels from css/ folder to images/ */
    background-image: url('../../images/Background.webp');
    background-size: 400px;
    background-repeat: repeat;
    background-position: center;
    animation: bgMove 120s linear infinite;
}

@keyframes bgMove {
    0% { background-position: 0 0; }
    100% { background-position: 400px 400px; }
}

/* Light Mode: Black lines on White background */
html:not(.dark) .bg-pattern {
    filter: opacity(0.15); 
}

/* Dark Mode: White lines on Black background (Invert black lines to white) */
html.dark .bg-pattern {
    filter: invert(1) opacity(0.11);
}

/* Top Blur Gradient Effect */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 150px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    mask-image: linear-gradient(to bottom, black 0%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 0%, transparent 100%);
    z-index: 40;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

body.hide-top-blur::before {
    opacity: 0;
}

/* Theme Toggle Button Glow */
html:not(.dark) {
    --glow-color-start: rgba(0, 0, 0, 0.2);
    --glow-color-end: rgba(0, 0, 0, 0.4);
}
html.dark {
    --glow-color-start: rgba(255, 255, 255, 0.4);
    --glow-color-end: rgba(255, 255, 255, 0.8);
}

/* Theme Toggle Icon Glow */
.theme-icon-glow {
    filter: none;
}
html.dark .theme-icon-glow {
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.8));
}

/* --- PREMIUM CARD GLOW EFFECTS --- */
.card-base {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

/* --- PROFESSIONAL POP CARD STYLES --- */
.card-pop {
    /* Light Mode Default: Added darker outline for visibility */
    background-color: #ffffff;
    border: 1px solid #cbd5e1; /* slate-300 - Distinct border */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03); 
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

html.dark .card-pop {
    /* Dark Mode Default - Lighter than background */
    background-color: #131313; 
    border: 1px solid #2d2d2d; /* Visible dark border */
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
}

.class-card-title {
    display: flex;
    width: 100%;
    min-height: 2.7em;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: clamp(0.62rem, 3.1vw, 1rem);
    line-height: 1.35;
}

.class-card-title-line {
    display: block;
    max-width: 100%;
    white-space: nowrap;
}

@media (max-width: 420px) {
    #class-grid .card-pop > .p-5 {
        padding-right: 0.75rem;
        padding-left: 0.75rem;
    }
}

/* Hover Effects - The "Pop" */
@media (min-width: 768px) {
    .card-pop:hover {
        transform: translateY(-6px);
        border-color: rgba(220, 38, 38, 0.4); /* Red tint on border */
        box-shadow: 0 15px 30px -5px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(220, 38, 38, 0.1); /* Deep shadow + subtle red ring */
    }

    html.dark .card-pop:hover {
        background-color: #171717;
        border-color: rgba(220, 38, 38, 0.6); /* Red border */
        box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.7), 0 0 20px rgba(220, 38, 38, 0.15); /* Dark shadow + Red glow */
    }
}

/* Yellow Review Card Variant */
.card-pop-yellow {
    background-color: #ffffff;
    border: 1px solid #cbd5e1; /* slate-300 for Light Mode */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}
html.dark .card-pop-yellow {
    background-color: #131313;
    border: 1px solid #2d2d2d;
}
@media (min-width: 768px) {
    .card-pop-yellow:hover {
        transform: translateY(-6px);
        border-color: rgba(234, 179, 8, 0.4);
        box-shadow: 0 15px 30px -5px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(234, 179, 8, 0.1);
    }
    html.dark .card-pop-yellow:hover {
        background-color: #171717;
        border-color: rgba(234, 179, 8, 0.6);
        box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.7), 0 0 20px rgba(234, 179, 8, 0.15);
    }
}

/* Custom Animations */
.bot-container { display: flex; flex-direction: column; align-items: center; justify-content: center; margin-bottom: 2rem; }
.bot-head { width: 70px; height: 70px; background-color: white; border-radius: 16px; position: relative; animation: botFloat 2s ease-in-out infinite; box-shadow: inset -4px -4px 10px rgba(0,0,0,0.1); z-index: 10; }
.bot-eye { width: 10px; height: 10px; background-color: #450a0a; border-radius: 50%; position: absolute; top: 40%; animation: botBlink 4s infinite; }
.eye-left { left: 18px; }
.eye-right { right: 18px; }
.bot-mouth { width: 12px; height: 6px; border-bottom: 3px solid #450a0a; border-radius: 0 0 10px 10px; position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%); }
.no-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* --- BLUR EFFECT FOR BODY CONTENT --- */
.blur-content {
    filter: blur(5px);
    transition: filter 0.3s ease-out;
    pointer-events: none; /* Prevent clicks on background */
    user-select: none;
}

/* View Transitions API for Theme Toggle */
::view-transition-old(root),
::view-transition-new(root) {
    animation: none;
    mix-blend-mode: normal;
}

.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

/* --- MENU STAGGERED ANIMATION --- */
.menu-link-item {
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.4s ease-out, transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.menu-animate-open .menu-link-item {
    opacity: 1;
    transform: translateX(0);
}

/* Stagger Delays */
.menu-animate-open .menu-link-item:nth-child(1) { transition-delay: 0.1s; }
.menu-animate-open .menu-link-item:nth-child(2) { transition-delay: 0.15s; }
.menu-animate-open .menu-link-item:nth-child(3) { transition-delay: 0.2s; }
.menu-animate-open .menu-link-item:nth-child(4) { transition-delay: 0.25s; }
.menu-animate-open .menu-link-item:nth-child(5) { transition-delay: 0.3s; }
.menu-animate-open .menu-link-item:nth-child(6) { transition-delay: 0.35s; }

/* Chat button delay */
.menu-animate-open .menu-chat-btn {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.4s;
}

.menu-chat-btn {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

/* --- BLUR EFFECT FOR BODY CONTENT --- */
.blur-content {
    filter: blur(5px);
    transition: filter 0.3s ease-out;
    pointer-events: none; /* Prevent clicks on background */
    user-select: none;
}

/* View Transitions API for Theme Toggle */
::view-transition-old(root),
::view-transition-new(root) {
    animation: none;
    mix-blend-mode: normal;
}

/* --- RIPPLE EFFECT --- */
.ripple {
    position: absolute;
    border-radius: 50%;
    transform: scale(0);
    animation: ripple 0.6s linear;
    background-color: rgba(255, 255, 255, 0.4);
    pointer-events: none;
    z-index: 50;
}
@keyframes ripple {
    to { transform: scale(4); opacity: 0; }
}

/* --- MOBILE PERFORMANCE PATCH --- */
@media screen and (max-width: 768px) {
    /* Stop background animation */
    .bg-pattern {
        animation: none !important;
        background-attachment: scroll !important;
    }
    /* Remove heavy glows/shadows on mobile cards */
    .card-pop, .card-pop-yellow, .card-base {
        box-shadow: none !important;
        transform: none !important;
    }

    /* Mobile Borders for Visibility */
    .card-pop, .card-pop-yellow, .card-base {
        border: 1px solid rgba(0, 0, 0, 0.3) !important; /* Dark grey stroke for light mode */
    }
    html.dark .card-pop, html.dark .card-pop-yellow, html.dark .card-base {
        border: 1px solid rgba(255, 255, 255, 0.15) !important; /* Lighter stroke for dark mode */
    }

    /* Disable blur filters */
    .blur-content, [class*="backdrop-blur"] {
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
    }
}

/* Hide Header on Mobile Footer Intersection */
.header-hidden-mobile {
    transform: translate(-50%, -200%) !important; /* Maintain X centering, move Y up */
    opacity: 0;
    pointer-events: none;
}

/* --- NEWSLETTER STYLES --- */
.fuaprint-footer-newsletter {
    background-color: transparent;
    padding: 10px 0;
}

.fuaprint-footer-newsletter p {
    color: #888;
    font-size: 0.75rem;
    margin-bottom: 10px;
}

/* The Input + Button Row */
.fuaprint-footer-newsletter .input-group {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
    justify-content: center;
}

/* The Email Field */
.fuaprint-footer-newsletter input[type="email"] {
    width: 200px;
    padding: 6px 10px;
    background: #222;
    border: 1px solid #444;
    color: #fff;
    border-radius: 6px;
    outline: none;
    transition: 0.3s;
    font-size: 0.8rem;
}

.fuaprint-footer-newsletter input:focus {
    border-color: #ffffff; /* White Glow */
}

/* The Subscribe Button */
.fuaprint-footer-newsletter button {
    padding: 6px 12px;
    background-color: #ffffff; /* White */
    color: #000; /* Black Text */
    font-weight: bold;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    text-transform: uppercase;
    transition: 0.3s;
    font-size: 0.8rem;
}

.fuaprint-footer-newsletter button:hover {
    background-color: #e5e5e5; /* Light Gray */
    transform: translateY(-2px);
}

/* Purchase Toast Animation */
.purchase-toast {
    pointer-events: auto;
    animation: toastSlideIn 0.6s cubic-bezier(0.16, 1, 0.3, 1), toastFadeOut 0.6s ease-in 5s forwards;
}

@keyframes toastSlideIn {
    from { transform: translateX(-100%) scale(0.9); opacity: 0; }
    to { transform: translateX(0) scale(1); opacity: 1; }
}

@keyframes toastFadeOut {
    to { opacity: 0; transform: translateY(10px) scale(0.95); }
}