[x-cloak] {
    display: none !important;
}

.gradient-bg {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
}

.gradient-text {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

.bounce-in {
    animation: bounceIn 1s ease-out;
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* 좌측 브랜딩 섹션 */
.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.floating-element {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(1) {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    width: 60px;
    height: 60px;
    top: 60%;
    left: 80%;
    animation-delay: 2s;
}

.floating-element:nth-child(3) {
    width: 40px;
    height: 40px;
    top: 80%;
    left: 20%;
    animation-delay: 4s;
}

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

.input-focus {
    transition: all 0.3s ease;
}

.input-focus:focus {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.1);
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1d4ed8, #7c3aed);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
}

.btn-primary:disabled {
    opacity: 0.7;
    transform: none;
    box-shadow: none;
}

.loading-spinner {
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    width: 20px;
    height: 20px;
}

.error-shake {
    animation: shake 0.5s ease-in-out;
}

.success-pulse {
    animation: pulse 0.5s ease-in-out;
}

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

.feature-card {
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateX(10px);
}

.brand-logo {
    transition: all 0.3s ease;
}

.brand-logo:hover {
    transform: scale(1.05);
}

.policy-link {
    transition: all 0.2s ease;
}

.policy-link:hover {
    transform: translateY(-1px);
}

/* Mobile optimizations */
@media (max-width: 768px) {
    .floating-element {
        display: none;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .card-shadow {
        box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .gradient-bg {
        background: #1e40af;
    }

    .btn-primary {
        background: #1e40af;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .fade-in,
    .slide-in-left,
    .slide-in-right,
    .bounce-in,
    .floating-element,
    .feature-card,
    .brand-logo,
    .input-focus,
    .btn-primary {
        animation: none;
        transition: none;
    }
}