/* ==========================================================================
   Splash Page Styles
   Full viewport height with gradient background
   ========================================================================== */

/* Splash container - full viewport height */
.splash-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, 
        var(--accent) 0%, 
        var(--purple) 50%, 
        var(--primary) 100%);
    overflow: hidden;
}

/* Animated background gradient */
.splash-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(52, 152, 219, 0.9) 0%, 
        rgba(155, 89, 182, 0.8) 50%, 
        rgba(44, 62, 80, 0.9) 100%);
    animation: gradientShift 8s ease-in-out infinite;
    z-index: 1;
}

@keyframes gradientShift {
    0%, 100% {
        background: linear-gradient(135deg, 
            rgba(52, 152, 219, 0.9) 0%, 
            rgba(155, 89, 182, 0.8) 50%, 
            rgba(44, 62, 80, 0.9) 100%);
    }
    50% {
        background: linear-gradient(135deg, 
            rgba(155, 89, 182, 0.8) 0%, 
            rgba(44, 62, 80, 0.9) 50%, 
            rgba(52, 152, 219, 0.9) 100%);
    }
}

/* Main content */
.splash-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: var(--space-xl);
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Date indicator */
.date-indicator {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    z-index: 3;
    background: rgba(255, 255, 255, 0.15);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    padding: var(--space-sm) var(--space-md);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    animation: fadeIn 1.5s ease-out 0.5s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Header */
.splash-header {
    margin-bottom: var(--space-xxl);
}

.splash-title {
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    margin: 0;
    animation: fadeIn 1s ease-out 0.3s both;
}

/* Prompt container */
.splash-prompt-container {
    margin-bottom: var(--space-xxl);
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.splash-prompt {
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--text-inverse);
    line-height: 1.2;
    margin: 0;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out 0.6s both;
    max-width: 100%;
    word-wrap: break-word;
}

/* Loading spinner */
.loading-spinner {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
}

.loading-spinner.show {
    display: flex;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid var(--text-inverse);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Action buttons */
.splash-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.9s both;
    margin-bottom: var(--space-xxl);
}

.splash-btn {
    padding: var(--space-md) var(--space-xl);
    border: none;
    border-radius: var(--radius-full);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 160px;
    position: relative;
    overflow: hidden;
}

.splash-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.splash-btn:hover::before {
    left: 100%;
}

.splash-btn.primary {
    background: var(--text-inverse);
    color: var(--primary);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.splash-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
}

.splash-btn.secondary {
    background: rgba(255, 255, 255, 0.15);
    color: var(--text-inverse);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.splash-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

/* Scroll indicator */
.scroll-indicator {
    position: fixed;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    animation: fadeInCentered 1s ease-out 1.2s both;
    cursor: pointer;
    pointer-events: auto;
    width: 100%;
    max-width: 200px;
}

.scroll-text {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 1px;
    margin-bottom: var(--space-xs);
}

.scroll-arrow {
    font-size: 1.2rem;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-8px);
    }
    60% {
        transform: translateY(-4px);
    }
}

@keyframes fadeInCentered {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* Below fold content */
.below-fold {
    min-height: 100vh;
    background: var(--background);
    padding: var(--space-xxl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.below-fold-content {
    text-align: center;
    max-width: 600px;
}

.below-fold-content h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: var(--space-lg);
}

.below-fold-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: var(--space-xxl);
    line-height: 1.6;
}

.below-fold-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.below-fold-actions .btn {
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 160px;
}

.below-fold-actions .btn.primary {
    background: var(--primary);
    color: var(--text-inverse);
}

.below-fold-actions .btn.primary:hover {
    background: var(--dark);
    transform: translateY(-2px);
}

.below-fold-actions .btn.secondary {
    background: var(--background-alt);
    color: var(--primary);
    border: 2px solid var(--primary);
}

.below-fold-actions .btn.secondary:hover {
    background: var(--primary);
    color: var(--text-inverse);
    transform: translateY(-2px);
}

/* Tablet responsiveness */
@media (max-width: 1024px) and (min-width: 769px) {
    .scroll-indicator {
        bottom: var(--space-lg);
        max-width: 180px;
    }
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .splash-content {
        padding: var(--space-lg);
    }
    
    .splash-prompt {
        font-size: clamp(1.5rem, 6vw, 2.5rem);
    }
    
    .splash-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .splash-btn {
        width: 100%;
        max-width: 280px;
    }
    
    .scroll-indicator {
        bottom: var(--space-md);
        font-size: 0.85rem;
        max-width: 150px;
        left: 50%;
        transform: translateX(-50%);
    }
    
    .scroll-arrow {
        font-size: 1rem;
    }
    
    .date-indicator {
        top: var(--space-md);
        right: var(--space-md);
        font-size: 0.8rem;
        padding: var(--space-xs) var(--space-sm);
    }
    
    .below-fold {
        padding: var(--space-xl) var(--space-lg);
    }
    
    .below-fold-content h2 {
        font-size: 2rem;
    }
    
    .below-fold-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .below-fold-actions .btn {
        width: 100%;
        max-width: 280px;
    }
}

/* Very small screens */
@media (max-width: 480px) {
    .scroll-indicator {
        bottom: var(--space-sm);
        max-width: 120px;
        font-size: 0.8rem;
    }
    
    .scroll-arrow {
        font-size: 0.9rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Hide scroll indicator when scrolled */
.scroll-indicator.hidden {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
    transition: all var(--transition-slow);
}