/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft JhengHei', 'PingFang TC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section - 溫暖橙色系 */
.hero-section {
    min-height: 100vh;
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
}

.main-title {
    font-size: 4rem;
    font-weight: bold;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.subtitle {
    font-size: 1.5rem;
    opacity: 0.9;
    letter-spacing: 0.2em;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 2rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-20px);
    }
    60% {
        transform: translateX(-50%) translateY(-10px);
    }
}

/* Fade In Animations */
.fade-in {
    animation: fadeIn 1s ease-in;
}

.fade-in-delay {
    animation: fadeIn 1s ease-in 0.5s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* About Section */
.about-section {
    padding: 80px 0;
    background: #fff8f0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: #ff6b35;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: #ff6b35;
    margin: 1rem auto 0;
    border-radius: 2px;
}

.intro-text {
    font-size: 1.2rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    line-height: 2;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(255, 107, 53, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(255, 107, 53, 0.25);
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    color: #ff6b35;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    color: #666;
}

.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 3rem;
}

.item-card {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    font-size: 1.2rem;
    font-weight: bold;
    transition: transform 0.3s ease;
    cursor: pointer;
}

.item-card:hover {
    transform: scale(1.05);
}

/* Partners Section */
.partners-section {
    padding: 80px 0;
    background: white;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.partner-card {
    background: #fff8f0;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    font-size: 1.1rem;
    font-weight: bold;
    border: 2px solid #ff6b35;
    transition: all 0.3s ease;
    opacity: 0;
}

.partner-card:hover {
    background: #ff6b35;
    color: white;
    transform: translateY(-5px);
}

.partners-description {
    text-align: center;
    font-size: 1.1rem;
    max-width: 800px;
    margin: 2rem auto 0;
    line-height: 1.8;
}

/* Slide In Animation */
.slide-in {
    animation: slideIn 0.6s ease-out forwards;
}

.slide-in:nth-child(1) { animation-delay: 0.1s; }
.slide-in:nth-child(2) { animation-delay: 0.2s; }
.slide-in:nth-child(3) { animation-delay: 0.3s; }
.slide-in:nth-child(4) { animation-delay: 0.4s; }
.slide-in:nth-child(5) { animation-delay: 0.5s; }

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

/* Features Section */
.features-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #fff8f0 0%, #ffe8d6 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(255, 107, 53, 0.1);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

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

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 24px rgba(255, 107, 53, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #ff6b35;
}

.feature-card p {
    font-size: 1rem;
    line-height: 1.8;
    color: #666;
}

/* Launch Section */
.launch-section {
    padding: 80px 0;
    background: white;
}

.launch-box {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: white;
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    max-width: 600px;
    margin: 0 auto 2rem;
    box-shadow: 0 8px 16px rgba(255, 107, 53, 0.3);
}

.launch-date {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.launch-time {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.launch-note {
    font-size: 1.2rem;
    opacity: 0.9;
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 8px 16px rgba(255, 107, 53, 0.3);
    }
    50% {
        box-shadow: 0 8px 32px rgba(255, 107, 53, 0.6);
    }
    100% {
        box-shadow: 0 8px 16px rgba(255, 107, 53, 0.3);
    }
}

.launch-description {
    text-align: center;
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Volunteer Section */
.volunteer-section {
    padding: 80px 0;
    background: #fff8f0;
}

.volunteer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.volunteer-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(255, 107, 53, 0.1);
    transition: transform 0.3s ease;
}

.volunteer-card:hover {
    transform: translateY(-5px);
}

.volunteer-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #ff6b35;
}

.volunteer-card p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    color: #666;
}

.btn-volunteer {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
}

.btn-volunteer:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.4);
}

.volunteer-note {
    text-align: center;
    font-size: 1rem;
    color: #666;
    font-style: italic;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.footer p {
    margin: 0.5rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-title {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .intro-text {
        font-size: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .launch-date {
        font-size: 1.5rem;
    }
    
    .launch-time {
        font-size: 2rem;
    }
}

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}