* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #005EB8 0%, #0078D4 50%, #003087 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    color: white;
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
    position: relative;
    cursor: pointer;
}

/* Animated background elements */
.bg-animation {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.floating-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    animation: float 20s infinite ease-in-out;
}

.floating-circle:nth-child(1) {
    width: 200px;
    height: 200px;
    top: 10%;
    left: 20%;
    animation-delay: 0s;
}

.floating-circle:nth-child(2) {
    width: 150px;
    height: 150px;
    top: 70%;
    right: 15%;
    animation-delay: 5s;
}

.floating-circle:nth-child(3) {
    width: 100px;
    height: 100px;
    bottom: 20%;
    left: 10%;
    animation-delay: 10s;
}

.floating-circle:nth-child(4) {
    width: 120px;
    height: 120px;
    top: 30%;
    right: 30%;
    animation-delay: 15s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-20px) rotate(90deg); }
    50% { transform: translateY(-40px) rotate(180deg); }
    75% { transform: translateY(-20px) rotate(270deg); }
}

/* Main content */
.content-wrapper {
    position: relative;
    z-index: 2;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 60px 40px;
    text-align: center;
    position: relative;
}

.press-to-start {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 30px;
    padding: 60px 80px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    animation: pulse 2s infinite;
}

.press-to-start::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        transparent 30%, 
        rgba(255, 255, 255, 0.1) 50%, 
        transparent 70%);
    animation: shine 3s infinite;
}

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

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

.press-to-start:hover {
    transform: scale(1.08);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.4);
}

.press-to-start:active {
    transform: scale(1.02);
}

.start-text {
    font-size: 48px;
    font-weight: 300;
    color: white;
    margin-bottom: 20px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    letter-spacing: 1px;
    position: relative;
    z-index: 1;
}

.instruction-text {
    font-size: 22px;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 300;
    letter-spacing: 0.5px;
    position: relative;
    z-index: 1;
}

.touch-indicator {
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 15px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 18px;
    font-weight: 300;
    animation: fadeInOut 2s infinite;
}

.touch-icon {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.footer {
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 25px 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-text {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 300;
}

.provider-credit {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 300;
    letter-spacing: 0.5px;
}

/* Responsive design */
@media screen and (orientation: landscape) {
    .header {
        padding: 20px 40px;
    }
    
    .header-logo {
        height: 50px;
    }
    
    .subtitle {
        font-size: 28px;
    }
    
    .main-content {
        padding: 40px;
    }
    
    .press-to-start {
        padding: 40px 60px;
    }
    
    .start-text {
        font-size: 36px;
    }
    
    .instruction-text {
        font-size: 18px;
    }

    .touch-indicator {
        bottom: 60px;
    }
}

@media screen and (max-width: 768px) {
    .press-to-start {
        padding: 40px 50px;
    }
    
    .start-text {
        font-size: 32px;
    }
    
    .instruction-text {
        font-size: 16px;
    }
}

/* Disable context menu and selection */
body {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

::selection {
    background: transparent;
}

::-moz-selection {
    background: transparent;
}

img {
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
    user-drag: none;
}