/* 裝飾性元素和動畫效果 */

/* 基礎動畫 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-50px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% { transform: translateY(0); }
    40%, 43% { transform: translateY(-15px); }
    70% { transform: translateY(-8px); }
    90% { transform: translateY(-2px); }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px rgba(231, 76, 60, 0.3); }
    50% { box-shadow: 0 0 30px rgba(231, 76, 60, 0.6); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* 粒子效果背景 */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color-earth-yellow);
    border-radius: 50%;
    opacity: 0.6;
    animation: particleFloat 8s infinite linear;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* 波浪效果 */
.wave-decoration {
    position: relative;
    overflow: hidden;
}

.wave-decoration::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(212, 148, 30, 0.1) 50%, 
        transparent 100%);
    animation: wave 3s infinite;
}

@keyframes wave {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* 閃爍效果 */
.sparkle {
    position: relative;
    overflow: hidden;
}

.sparkle::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, 
        transparent 30%, 
        rgba(255, 255, 255, 0.3) 50%, 
        transparent 70%);
    transform: translateX(-100%);
    animation: sparkle 2s infinite;
}

@keyframes sparkle {
    0% { transform: translateX(-100%); }
    50% { transform: translateX(100%); }
    100% { transform: translateX(100%); }
}

/* 旋轉裝飾 */
.rotating-decoration {
    position: relative;
}

.rotating-decoration::before {
    content: '✦';
    position: absolute;
    top: -10px;
    right: -10px;
    color: var(--color-earth-yellow);
    font-size: 1.5em;
    /* 移除旋轉動畫 */
}

/* 移除旋轉動畫關鍵幀 */

/* 呼吸效果 */
.breathing {
    animation: breathing 3s ease-in-out infinite;
}

@keyframes breathing {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.02); opacity: 0.8; }
}

/* 打字機效果 */
.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--color-earth-yellow);
    white-space: nowrap;
    animation: typing 3s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: var(--color-earth-yellow); }
}

/* 懸浮卡片效果 */
.floating-card {
    transition: all 0.3s ease;
    transform-style: preserve-3d;
}

.floating-card:hover {
    transform: translateY(-10px) rotateX(5deg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* 磁性按鈕效果 */
.magnetic-btn {
    position: relative;
    transition: all 0.3s ease;
    overflow: hidden;
}

.magnetic-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
}

.magnetic-btn:hover::before {
    width: 300px;
    height: 300px;
}

.magnetic-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(212, 148, 30, 0.4);
}

/* 進度條動畫 */
.animated-progress {
    position: relative;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-earth-yellow), #f4d03f);
    border-radius: 10px;
    transition: width 1s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.4) 50%, 
        transparent 100%);
    animation: progressShine 2s infinite;
}

@keyframes progressShine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* 文字揭示動畫 */
.reveal-text {
    position: relative;
    overflow: hidden;
}

.reveal-text::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-earth-yellow);
    transform: translateX(-100%);
    animation: reveal 1.5s ease forwards;
}

@keyframes reveal {
    0% { transform: translateX(-100%); }
    50% { transform: translateX(0); }
    100% { transform: translateX(100%); }
}

/* 3D 翻轉效果 */
.flip-card {
    perspective: 1000px;
    width: 100%;
    height: 200px;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.flip-card-back {
    transform: rotateY(180deg);
    background: linear-gradient(135deg, var(--color-earth-yellow), #f4d03f);
}

/* 漣漪效果 */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    animation: ripple 0.6s ease-out;
}

@keyframes ripple {
    to {
        width: 300px;
        height: 300px;
        opacity: 0;
    }
}

/* 載入動畫 */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid var(--color-earth-yellow);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 彈性動畫 */
.elastic {
    animation: elastic 2s infinite;
}

@keyframes elastic {
    0%, 100% { transform: scale(1); }
    30% { transform: scale(1.1); }
    40% { transform: scale(0.9); }
    60% { transform: scale(1.05); }
    80% { transform: scale(0.95); }
}

/* 延遲動畫類 */
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }

/* 動畫觸發類 */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 響應式動畫控制 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (max-width: 768px) {
    .floating-card:hover {
        transform: translateY(-5px);
    }
    
    .magnetic-btn:hover {
        transform: translateY(-1px);
    }
    
    .particle {
        width: 2px;
        height: 2px;
    }
}