/* Custom Styles */
body {
    font-family: 'Lato', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
}

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 5rem; /* Offset for fixed header */
}

/* Scrollbar styles for a more polished look */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #e5e7eb;
}
.dark ::-webkit-scrollbar-track {
    background: #1f2937;
}
::-webkit-scrollbar-thumb {
    background: #9ca3af;
    border-radius: 10px;
}
.dark ::-webkit-scrollbar-thumb {
    background: #4b5563;
}
::-webkit-scrollbar-thumb:hover {
    background: #6b7280;
}
.dark ::-webkit-scrollbar-thumb:hover {
    background: #6b7280;
}


/* Splash Screen Elements */
#splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 100;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column; /* To stack the text and line */
}

#instruction-text {
    position: absolute; /* Absolute positioning for precise placement */
    top: calc(50% - 80px); /* Position above the line */
    left: 50%;
    transform: translateX(-50%);
    z-index: 103;
    transition: opacity 0.5s ease, transform 0.5s ease;
    color: #8B4513; /* Dark Sienna for high contrast on light paper */
    text-shadow: 0 0 2px rgba(255, 255, 255, 0.2); /* Subtle glow for dark text */
}
.dark #instruction-text {
    color: #fde68a; /* Lighter, more vibrant yellow for dark mode */
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.7);
}

#splash-message-top, #splash-message-bottom {
    position: absolute;
    width: 80%;
    max-width: 600px;
    text-align: center;
    z-index: 103;
    color: #059669; /* Slightly darker emerald for better contrast on light paper */
    opacity: 0; /* Hidden by default */
    transition: opacity 1s ease-in-out;
    pointer-events: none;
    text-shadow: 0 0 2px rgba(0,0,0,0.2);
}
.dark #splash-message-top, .dark #splash-message-bottom {
    color: #34d399; /* Lighter emerald for dark mode */
    text-shadow: 0 0 2px rgba(0,0,0,0.4);
}

#splash-message-top {
    top: 20%;
}

#splash-message-bottom {
    bottom: 20%;
}

#ash-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 102;
    pointer-events: none;
}

.paper {
    position: absolute;
    width: 100%;
    height: 50%;
    background-color: #f7f1e3;
    background-image: url('https://www.transparenttextures.com/patterns/paper.png');
    transition: clip-path 3s cubic-bezier(0.6, 0, 0.4, 1);
    will-change: clip-path;
}

.burn-overlay {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(100, 60, 40, 0.7), rgba(50, 30, 30, 0.3) 30%, transparent 60%);
    opacity: 0;
    transition: opacity 2s ease-in;
}

#bottom-paper .burn-overlay {
     background: linear-gradient(to bottom, rgba(100, 60, 40, 0.7), rgba(50, 30, 30, 0.3) 30%, transparent 60%);
}

#top-paper {
    top: 0;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
}

#bottom-paper {
    bottom: 0;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
}

#thread-container {
    position: absolute;
    width: 100%;
    height: 4px;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    z-index: 101;
    cursor: pointer;
}

#thread {
    width: 100%;
    height: 100%;
    background-image: linear-gradient(90deg, #8a6a6a, #6b4f4f, #8a6a6a);
}

/* The burning ember glow */
#thread::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 0;
    width: 0;
    height: 8px;
    background: linear-gradient(90deg, transparent, #ff7b00, #ffb700, #ff7b00, transparent);
    box-shadow: 0 0 10px 2px #ff7b00, 0 0 20px 5px #ffb700;
    border-radius: 50%;
    filter: blur(3px);
    transition: width 2s linear;
}
#thread-container.burning #thread::before {
    width: 100%;
}

/* The initial spark effect */
@keyframes spark {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(3.5); opacity: 0; }
}

#thread::after {
    content: '';
    position: absolute;
    top: -3px;
    left: -2px; /* Position spark at the very beginning */
    width: 10px;
    height: 10px;
    background: #ffecb3;
    border-radius: 50%;
    box-shadow: 0 0 15px 5px #ffecb3, 0 0 25px 10px #ffb700;
    opacity: 0;
    transform-origin: center center;
}

#thread-container.sparking #thread::after {
    animation: spark 0.3s ease-out forwards;
}

/* Reveal animations for sections */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Project card hover effect */
.project-card:hover .project-overlay {
    opacity: 1;
}
.project-card:hover img {
    transform: scale(1.05);
}

/* Modal styles */
#project-modal {
    transition: opacity 0.3s ease;
}
.modal-content {
    transition: transform 0.3s ease;
}

/* New Animation for profile picture glow */
@keyframes pulse-slow {
    50% {
        opacity: 0.6;
        transform: scale(1.05);
    }
}
.animate-pulse-slow {
    animation: pulse-slow 8s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Chatbot Styles */
#chatbot-icon {
    transition: transform 0.3s ease;
}
#chatbot-icon:hover {
    transform: scale(1.1);
}
#chatbot-window {
    transition: opacity 0.3s ease, transform 0.3s ease;
}
#chat-messages {
    scroll-behavior: smooth;
}
.typing-indicator span {
    animation: typing-dots 1.4s infinite;
}
.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}
.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}
@keyframes typing-dots {
    0%, 80%, 100% {
        transform: scale(0);
    }
    40% {
        transform: scale(1.0);
    }
}