/* ซ่อนเนื้อหาตอนแรก */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.1s;
}

.fade-in2 {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.3s;
}

.fade-in3 {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.5s;
}

.fade-in4 {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.7s;
}

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

/* เอฟเฟกต์ขยับ */
.glow-move {
    display: inline-block;
    animation: floatMove 4s infinite ease-in-out;
}

@keyframes magicWiggle {
    0% {
        transform: rotate(0deg);
    }

    20% {
        transform: rotate(-1.5deg);
    }

    40% {
        transform: rotate(1.2deg);
    }

    60% {
        transform: rotate(-1deg);
    }

    80% {
        transform: rotate(0.8deg);
    }

    100% {
        transform: rotate(0deg);
    }
}

.glow-rotate {
    animation: magicWiggle 3.2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
    transform-origin: center;
}

@keyframes floatMove {
    0% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }

    100% {
        transform: translateY(0);
    }
}

.glow-effect2 {
    display: inline-block;
    animation: glowPulse2 3s infinite alternate ease-in-out;
}

/* เอฟเฟกต์แสง */
@keyframes glowPulse2 {
    from {
        filter: drop-shadow(0 0 5px #ffffff59);
        transform: scale(1);
    }

    to {
        filter: drop-shadow(0 0 20px #ffa640be);
        transform: scale(0.8);
    }
}

.glow-effect3 {
    display: inline-block;
    animation: glowPulse3 2s infinite alternate ease-in-out;
}

/* เอฟเฟกต์แสง */
@keyframes glowPulse3 {
    from {
        filter: drop-shadow(0 0 5px #ffffffef);
        transform: scale(1);
    }

    to {
        filter: drop-shadow(0 0 20px #40b9ffbe);
        transform: scale(1.03);
    }
}

.glow-scale {
    display: inline-block;
    animation: scaleUpDown 5s infinite ease-in-out;
}

/* เอฟเฟกต์ขยายใหญ่ขึ้น */
@keyframes scaleUpDown {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.06);
    }

    100% {
        transform: scale(1);
    }
}

@keyframes glowPulse2 {
    0% {
        filter: drop-shadow(0 0 6px #ffffff66);
    }

    50% {
        filter: drop-shadow(0 0 14px #4099ffaa);
    }

    100% {
        filter: drop-shadow(0 0 6px #ffffff66);
    }
}

.glow-effect4 {
    display: inline-block;
    animation: glowPulse2 2.4s ease-in-out infinite;
}

/* เลื่อนแสดงเนื้้อหา  */

.reveal-section {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

.reveal-section.show {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 {
    transition-delay: 0.2s;
}

.delay-2 {
    transition-delay: 0.4s;
}

.delay-3 {
    transition-delay: 0.6s;
}

.delay-4 {
    transition-delay: 0.8s;
}

/* Snow  */
/* Snow Container */
.snow-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 9999;
}

.snowflake {
    position: absolute;
    color: white;
    user-select: none;
    pointer-events: none;
    will-change: transform, opacity;
}

.snow-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 10;
}

.snowflake {
    position: absolute;
    color: white;
    user-select: none;
    pointer-events: none;
    will-change: transform, opacity;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.9);
}