/* ============================================
   PromPool 首頁樣式
   ============================================ */

/* Hero Section */
.hero-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content h1 {
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.hero-buttons {
    margin-top: var(--spacing-xl);
}

.hero-image {
    animation: float 6s ease-in-out infinite;
}

.hero-illustration {
    position: relative;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Features Section */
.features-section {
    padding: 80px 0;
}

.feature-card {
    transition: all var(--transition-base);
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg) !important;
}

.feature-icon {
    color: var(--color-primary);
}

/* Feature Detail Section */
.features-detail-section {
    padding: 80px 0;
}

.feature-detail-card {
    transition: all var(--transition-base);
    height: 100%;
}

.feature-detail-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md) !important;
}

.feature-icon-circle {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-lightest) 0%, var(--color-bg-secondary) 100%);
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

/* Page Header */
.page-header {
    padding: 120px 0 60px;
    margin-top: 76px;
}

/* Mission Section */
.mission-section {
    padding: 80px 0;
}

.mission-illustration {
    animation: float 6s ease-in-out infinite;
}

/* Why Choose Section */
.why-choose-section {
    padding: 80px 0;
}

.why-item {
    padding: var(--spacing-lg);
}

.why-icon {
    color: var(--color-primary);
}

/* Actual Usage Section */
.actual-usage-section {
    padding: 80px 0;
    background: var(--color-bg-primary);
}

.screenshot-container {
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.screenshot-container img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
}

.screenshot-container:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl) !important;
}

.screenshot-placeholder {
    position: relative;
    border-radius: var(--radius-xl);
}

.screenshot-hint {
    /* 當替換為真實截圖時，可以添加 display: none; 來隱藏此提示 */
}

.screenshot-content {
    font-size: 0.875rem;
}

.screenshot-left,
.screenshot-right {
    overflow-y: auto;
    max-height: 500px;
}

.version-item {
    transition: all var(--transition-base);
    cursor: pointer;
}

.version-item:hover {
    background-color: #f8f9fa;
    transform: translateX(4px);
}

.rating {
    color: #ffc107;
}

.step-card {
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.step-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg) !important;
}

.step-image-container {
    overflow: hidden;
    background: #f8f9fa;
}

.step-image-container img {
    transition: transform var(--transition-base);
    width: 100%;
    height: auto;
    display: block;
}

.step-card:hover .step-image-container img {
    transform: scale(1.05);
}

.step-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.step-card:hover::before {
    transform: scaleX(1);
}

.step-circle {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all var(--transition-base);
}

.step-card:hover .step-circle {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
}

.cta-card {
    border-radius: var(--radius-xl);
    overflow: hidden;
}

/* Footer */
.footer {
    margin-top: auto;
}

.footer a {
    transition: color var(--transition-base);
}

.footer a:hover {
    color: var(--color-primary-light) !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding: 100px 0 60px;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-image {
        margin-top: var(--spacing-xl);
    }
    
    .features-section,
    .features-detail-section,
    .why-choose-section,
    .actual-usage-section {
        padding: 60px 0;
    }
    
    .page-header {
        padding: 100px 0 40px;
    }
    
    .mission-section {
        padding: 60px 0;
    }
    
    .cta-section {
        padding: 60px 0;
    }
    
    .screenshot-container img {
        border-radius: var(--radius-lg);
    }
    
    .step-image-container img {
        max-height: 200px !important;
    }
}

/* Animation */
.fade-in {
    animation: fadeIn 0.8s ease-out;
}

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