/* ========== PRODUCT DEMO ANIMATION KEYFRAMES ========== */

/* Preserve dark colors inside phone mockup screens */
.mp-screen {
    --color-text: #eef0f6;
    --color-text-mid: #8a8fa0;
    --color-text-dim: #555a6e;
    --color-accent: #6366f1;
    --color-accent-light: #818cf8;
    --color-border: rgba(255, 255, 255, 0.10);
}

/* --- Shared Demo Styles --- */
.demo-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.demo-container > * {
    transition: opacity 0.5s ease;
}

.demo-container.fade-out > * {
    opacity: 0 !important;
}

/* Finger/cursor dot for drag simulation */
.demo-finger {
    width: 16px;
    height: 16px;
    background: radial-gradient(circle, rgba(255,255,255,0.7), rgba(255,255,255,0.1));
    border-radius: 50%;
    position: absolute;
    pointer-events: none;
    z-index: 20;
    opacity: 0;
    filter: blur(1px);
}

.demo-finger.visible {
    opacity: 1;
}

/* --- Demo 1: Bubble OCR Selection --- */
.demo-ocr-text {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 8px 0;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.demo-ocr-text.visible { opacity: 1; }

.demo-ocr-text span {
    font-size: 0.55rem;
    color: rgba(255,255,255,0.45);
    font-family: serif;
}

.demo-ocr-bubble {
    position: absolute;
    right: -40px;
    top: 16px;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #5B8CFF, #6366f1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.55rem;
    font-weight: 700;
    color: #fff;
    box-shadow: 0 4px 14px rgba(91,140,255,0.4);
    transition: right 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 10;
}

.demo-ocr-bubble.visible {
    right: 8px;
    animation: bubbleFloat 2.5s ease-in-out infinite;
}

.demo-select-rect {
    position: absolute;
    top: 10px;
    left: 6px;
    width: 0;
    height: 0;
    border: 2px dashed rgba(99,102,241,0.5);
    border-radius: 4px;
    opacity: 0;
    transition: width 0.8s ease-out, height 0.8s ease-out, opacity 0.3s ease;
}

.demo-select-rect.expanding {
    width: 70%;
    height: 55px;
    opacity: 1;
}

.demo-select-rect.solid {
    border-style: solid;
    border-color: rgba(99,102,241,0.7);
    box-shadow: 0 0 12px rgba(99,102,241,0.2);
}

.demo-scanline {
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-accent-light, #818cf8), transparent);
    opacity: 0;
    z-index: 5;
}

.demo-scanline.scanning {
    opacity: 0.8;
    animation: demoScanMove 1.2s ease-in-out forwards;
}

@keyframes demoScanMove {
    0% { top: 10px; opacity: 0; }
    10% { opacity: 0.8; }
    90% { opacity: 0.8; }
    100% { top: 65px; opacity: 0; }
}

.demo-highlight-line {
    position: absolute;
    left: 8px;
    right: 40px;
    height: 8px;
    border-radius: 2px;
    background: linear-gradient(90deg, rgba(251,191,36,0) 0%, rgba(251,191,36,0.25) 50%, rgba(251,191,36,0) 100%);
    background-size: 200% 100%;
    opacity: 0;
}

.demo-highlight-line.sweep {
    opacity: 1;
    animation: highlightSweep 0.6s ease-out forwards;
}

@keyframes highlightSweep {
    0% { background-position: -100% 0; }
    100% { background-position: 100% 0; }
}

.demo-result-popup {
    position: absolute;
    bottom: 10px;
    left: 6px;
    right: 6px;
    background: rgba(99,102,241,0.08);
    border: 1px solid rgba(99,102,241,0.2);
    border-radius: 6px;
    padding: 6px 8px;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.demo-result-popup.visible {
    opacity: 1;
    transform: translateY(0);
}

.demo-result-popup small {
    display: block;
    font-size: 0.4rem;
    color: var(--color-accent-light, #818cf8);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 2px;
}

.demo-result-popup .demo-typewriter {
    font-size: 0.5rem;
    color: var(--color-text, #eef0f6);
    overflow: hidden;
    white-space: nowrap;
    display: inline-block;
    border-right: 2px solid var(--color-accent-light, #818cf8);
    animation: typewriterCursor 0.6s step-end infinite;
}

@keyframes typewriterCursor {
    0%, 100% { border-color: var(--color-accent-light, #818cf8); }
    50% { border-color: transparent; }
}

/* --- Demo 2: Screenshot Translation --- */
.demo-screenshot-screen {
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.demo-screenshot-appbar {
    font-size: 0.45rem;
    color: var(--color-text-dim, #555a6e);
    padding: 3px 6px;
    background: rgba(255,255,255,0.03);
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.demo-screenshot-text {
    font-size: 0.5rem;
    color: rgba(255,255,255,0.4);
    font-family: serif;
    line-height: 1.6;
}

.demo-radial-menu {
    position: absolute;
    right: 8px;
    top: 50px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    opacity: 0;
    transform: scale(0.5);
    transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 15;
}

.demo-radial-menu.visible {
    opacity: 1;
    transform: scale(1);
}

.demo-radial-item {
    padding: 3px 8px;
    font-size: 0.4rem;
    color: var(--color-text, #eef0f6);
    background: rgba(16,18,26,0.95);
    border: 1px solid var(--color-border, rgba(255,255,255,0.1));
    border-radius: 4px;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.demo-radial-item.active {
    border-color: var(--color-accent, #6366f1);
    background: rgba(99,102,241,0.15);
    color: var(--color-accent-light, #818cf8);
}

.demo-flash {
    position: absolute;
    inset: 0;
    background: white;
    opacity: 0;
    z-index: 30;
    pointer-events: none;
    border-radius: 16px;
}

.demo-flash.active {
    animation: screenshotFlash 0.4s ease-out forwards;
}

@keyframes screenshotFlash {
    0% { opacity: 0; }
    20% { opacity: 0.5; }
    100% { opacity: 0; }
}

.demo-processing {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    z-index: 20;
}

.demo-processing.visible {
    opacity: 1;
}

.demo-spinner {
    width: 24px;
    height: 24px;
    border: 2px solid rgba(99,102,241,0.2);
    border-top-color: var(--color-accent, #6366f1);
    border-radius: 50%;
    animation: demoSpin 0.8s linear infinite;
}

@keyframes demoSpin {
    to { transform: rotate(360deg); }
}

.demo-translation-overlay {
    position: absolute;
    left: 8px;
    right: 8px;
    background: rgba(99,102,241,0.12);
    border: 1px solid rgba(99,102,241,0.25);
    border-radius: 4px;
    padding: 3px 6px;
    font-size: 0.45rem;
    color: var(--color-text, #eef0f6);
    opacity: 0;
    transform: translateX(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.demo-translation-overlay.visible {
    opacity: 1;
    transform: translateX(0);
}

/* --- Demo 3: Clipboard Translation --- */
.demo-clipboard-text {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--color-border, rgba(255,255,255,0.1));
    border-radius: 6px;
    padding: 8px;
    font-size: 0.52rem;
    color: var(--color-text-mid, #8a8fa0);
    position: relative;
    overflow: hidden;
}

.demo-text-highlight {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 0;
    background: rgba(99,130,241,0.2);
    transition: width 0.6s ease;
    border-radius: 6px;
}

.demo-text-highlight.active {
    width: 100%;
}

.demo-clipboard-toast {
    text-align: center;
    font-size: 0.42rem;
    color: var(--color-text-dim, #555a6e);
    padding: 6px 0;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.demo-clipboard-toast.visible {
    opacity: 1;
    transform: translateY(0);
}

.demo-lang-badge {
    display: inline-block;
    padding: 2px 8px;
    background: rgba(99,102,241,0.1);
    border: 1px solid rgba(99,102,241,0.2);
    border-radius: 100px;
    font-size: 0.38rem;
    color: var(--color-accent-light, #818cf8);
    font-weight: 600;
    margin-top: 4px;
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.demo-lang-badge.visible {
    opacity: 1;
    transform: scale(1);
}

.demo-clipboard-result {
    background: rgba(99,102,241,0.06);
    border: 1px solid rgba(99,102,241,0.18);
    border-radius: 6px;
    padding: 8px;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.demo-clipboard-result.visible {
    opacity: 1;
    transform: translateY(0);
}

.demo-clipboard-result small {
    display: block;
    font-size: 0.4rem;
    color: var(--color-accent-light, #818cf8);
    font-weight: 600;
    margin-bottom: 2px;
}

.demo-lang-route {
    text-align: center;
    font-size: 0.42rem;
    color: var(--color-accent-light, #818cf8);
    padding: 4px 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.demo-lang-route.visible { opacity: 1; }

.demo-lang-route .arrow {
    display: inline-block;
    animation: arrowBounce 1s ease-in-out infinite;
}

@keyframes arrowBounce {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(4px); }
}

/* --- Demo 4: AI Chat Math --- */
.demo-chat {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
}

.demo-chat-msg {
    padding: 5px 7px;
    border-radius: 6px;
    font-size: 0.46rem;
    max-width: 88%;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.demo-chat-msg.visible {
    opacity: 1;
    transform: translateY(0);
}

.demo-chat-user {
    align-self: flex-end;
    background: rgba(99,102,241,0.18);
    color: var(--color-text, #eef0f6);
    border-bottom-right-radius: 2px;
}

.demo-chat-ai {
    align-self: flex-start;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--color-border, rgba(255,255,255,0.1));
    color: var(--color-text-mid, #8a8fa0);
    border-bottom-left-radius: 2px;
}

.demo-model-tag {
    font-size: 0.38rem;
    color: var(--color-accent-light, #818cf8);
    font-weight: 600;
    margin-bottom: 2px;
    transition: opacity 0.3s ease;
}

.demo-thinking-dots {
    display: flex;
    gap: 3px;
    padding: 6px 10px;
    align-self: flex-start;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.demo-thinking-dots.visible { opacity: 1; }

.demo-thinking-dots i {
    display: block;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--color-accent-light, #818cf8);
    animation: dotBounce 1.2s ease-in-out infinite;
}

.demo-thinking-dots i:nth-child(2) { animation-delay: 0.15s; }
.demo-thinking-dots i:nth-child(3) { animation-delay: 0.3s; }

.demo-math-term {
    display: inline;
    transition: color 0.3s ease, background-color 0.3s ease;
    padding: 0 1px;
    border-radius: 2px;
}

.demo-math-term.highlight {
    color: var(--color-accent-light, #818cf8);
    background: rgba(99,102,241,0.12);
}

.demo-code-block {
    background: rgba(0,0,0,0.35);
    border-radius: 4px;
    padding: 4px 6px;
    margin-top: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.4rem;
    line-height: 1.5;
}

.demo-code-line {
    opacity: 0;
    transition: opacity 0.3s ease;
    white-space: nowrap;
}

.demo-code-line.visible { opacity: 1; }

.demo-code-keyword { color: #c084fc; }
.demo-code-string { color: #34d399; }
.demo-code-func { color: #67e8f9; }
.demo-code-comment { color: #6b7280; }
.demo-code-symbol { color: #eef0f6; }

/* --- Demo 5: Chat Plugins --- */
.demo-plugin-bar {
    display: flex;
    gap: 4px;
    padding: 4px 0;
    overflow-x: auto;
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.demo-plugin-bar.visible {
    opacity: 1;
    transform: translateY(0);
}

.demo-plugin-pill {
    padding: 3px 8px;
    font-size: 0.38rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--color-border, rgba(255,255,255,0.1));
    border-radius: 100px;
    color: var(--color-text-dim, #555a6e);
    white-space: nowrap;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.demo-plugin-pill.active {
    border-color: rgba(99,102,241,0.4);
    background: rgba(99,102,241,0.1);
    color: var(--color-accent-light, #818cf8);
    box-shadow: 0 0 8px rgba(99,102,241,0.2);
}

.demo-search-progress {
    height: 2px;
    background: rgba(255,255,255,0.06);
    border-radius: 1px;
    margin: 4px 0;
    overflow: hidden;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.demo-search-progress.visible { opacity: 1; }

.demo-search-progress-fill {
    height: 100%;
    width: 0%;
    background: var(--gradient-main, linear-gradient(135deg, #6366f1, #8b5cf6));
    border-radius: 1px;
    transition: width 1.5s ease;
}

.demo-search-progress-fill.filling {
    width: 100%;
}

.demo-search-result {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--color-border, rgba(255,255,255,0.1));
    border-radius: 4px;
    padding: 4px 6px;
    margin-bottom: 3px;
    opacity: 0;
    transform: translateX(8px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.demo-search-result.visible {
    opacity: 1;
    transform: translateX(0);
}

.demo-search-result-title {
    font-size: 0.4rem;
    font-weight: 600;
    color: var(--color-text, #eef0f6);
    margin-bottom: 1px;
}

.demo-search-result-snippet {
    font-size: 0.36rem;
    color: var(--color-text-dim, #555a6e);
}

/* --- Demo 6: Voice Transcription --- */
.demo-voice-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding-top: 12px;
}

.demo-mic-icon {
    width: 36px;
    height: 36px;
    background: rgba(99,102,241,0.1);
    border: 2px solid rgba(99,102,241,0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.demo-mic-icon.recording {
    background: rgba(239,68,68,0.15);
    border-color: rgba(239,68,68,0.5);
    animation: micPulse 1.5s ease-in-out infinite;
}

@keyframes micPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239,68,68,0.3); }
    50% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(239,68,68,0); }
}

.demo-rec-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.42rem;
    color: #ef4444;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.demo-rec-indicator.visible { opacity: 1; }

.demo-rec-dot {
    width: 6px;
    height: 6px;
    background: #ef4444;
    border-radius: 50%;
    animation: recDotPulse 1s ease-in-out infinite;
}

@keyframes recDotPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.demo-voice-wave {
    display: flex;
    align-items: center;
    gap: 2px;
    height: 28px;
}

.demo-voice-wave i {
    display: block;
    width: 3px;
    background: var(--color-accent, #6366f1);
    border-radius: 2px;
    height: 4px;
    transition: height 0.15s ease;
}

.demo-voice-card {
    width: 100%;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--color-border, rgba(255,255,255,0.1));
    border-radius: 6px;
    padding: 6px 8px;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.demo-voice-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.demo-voice-card.translated {
    background: rgba(99,102,241,0.06);
    border-color: rgba(99,102,241,0.18);
}

.demo-voice-card small {
    display: block;
    font-size: 0.38rem;
    color: var(--color-text-dim, #555a6e);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 2px;
}

.demo-voice-card .text {
    font-size: 0.48rem;
    color: var(--color-text, #eef0f6);
}

.demo-voice-summary {
    width: 100%;
    text-align: center;
    font-size: 0.4rem;
    color: var(--color-text-mid, #8a8fa0);
    background: rgba(255,255,255,0.03);
    border-radius: 6px;
    padding: 6px;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.demo-voice-summary.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Demo 7: Accessibility Input --- */
.demo-a11y-input-box {
    width: 100%;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--color-border, rgba(255,255,255,0.1));
    border-radius: 6px;
    padding: 10px 12px;
}

.demo-a11y-label {
    font-size: 0.42rem;
    color: var(--color-text-dim, #555a6e);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 4px;
}

.demo-a11y-input {
    font-size: 0.52rem;
    color: var(--color-text, #eef0f6);
    display: flex;
    align-items: center;
    min-height: 1.4em;
}

.demo-a11y-cursor {
    display: inline-block;
    width: 2px;
    height: 1.1em;
    background: var(--color-accent-light, #818cf8);
    animation: cursorBlink 1s step-end infinite;
    flex-shrink: 0;
}

.demo-a11y-arrow {
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-accent-light, #818cf8);
    padding: 6px 0;
    animation: arrowPulse 2s ease-in-out infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.demo-a11y-arrow.visible { opacity: 1; }

@keyframes arrowPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

.demo-a11y-output-box {
    width: 100%;
    background: rgba(99,102,241,0.06);
    border: 1px solid rgba(99,102,241,0.18);
    border-radius: 6px;
    padding: 10px 12px;
}

.demo-a11y-output {
    font-size: 0.52rem;
    color: var(--color-accent-light, #818cf8);
    font-weight: 500;
    min-height: 1.4em;
    transition: opacity 0.3s ease;
}

.demo-a11y-badge {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    background: rgba(16,185,129,0.1);
    border: 1px solid rgba(16,185,129,0.25);
    border-radius: 100px;
    font-size: 0.4rem;
    color: #34d399;
    font-weight: 500;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.4s ease, transform 0.4s ease;
    align-self: center;
}

.demo-a11y-badge.visible {
    opacity: 1;
    transform: translateY(0);
}

.demo-a11y-badge-dot {
    width: 5px;
    height: 5px;
    background: #34d399;
    border-radius: 50%;
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    .demo-container *,
    .demo-container *::before,
    .demo-container *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}