.btn-primary {
    text-decoration: none;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-glow) 100%);
    color: #fff;
    padding: 0.75rem 1.75rem;
    border-radius: 999px;
    font-weight: 600;
    box-shadow: 0 4px 15px var(--primary-liquid);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.5);
}
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    padding: 0.85rem 1.8rem;
    border-radius: 999px;
    background: var(--glass-bg);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.btn-secondary:hover {
    color: var(--primary-glow);
    border-color: rgba(16, 185, 129, 0.3);
    background: rgba(16, 185, 129, 0.05);
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}
.btn-glow-wrapper {
    position: relative;
    display: inline-block;
}
.btn-glow-wrapper::before {
    content: '';
    position: absolute;
    top: -6px;
    left: -6px;
    right: -6px;
    bottom: -6px;
    border-radius: 999px;
    background: linear-gradient(90deg, #10b981, #0f766e, #34d399, #10b981);
    background-size: 300%;
    z-index: -1;
    filter: blur(15px);
    opacity: 0.4;
    transition: all 0.5s ease-in-out;
    animation: liquid-flow 4s infinite linear;
}
.btn-glow-wrapper:hover::before {
    opacity: 0.8;
    filter: blur(20px);
    transform: scale(1.05);
}
@keyframes liquid-flow {
    0% {
        background-position: 0% 50%;
    }
    100% {
        background-position: 300% 50%;
    }
}
.btn-masuk-server {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    background: rgba(2, 26, 17, 0.5);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(16, 185, 129, 0.5);
    color: #fff;
    padding: 1.2rem 3.5rem;
    border-radius: 999px;
    font-size: 1.35rem;
    font-weight: 800;
    box-shadow: inset 0 0 20px rgba(16, 185, 129, 0.15), 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}
.btn-masuk-server::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    transform: translateX(-100%) skew(-20deg);
    transition: 0.7s ease-in-out;
}
.btn-masuk-server:hover {
    transform: translateY(-5px) scale(1.03);
    box-shadow: inset 0 0 40px rgba(16, 185, 129, 0.4), 0 20px 50px rgba(16, 185, 129, 0.3);
    background: rgba(16, 185, 129, 0.25);
    border-color: var(--primary-glow);
}
.btn-masuk-server:hover::after {
    transform: translateX(100%) skew(-20deg);
}
.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 75px;
    height: 75px;
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.01));
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--text-main);
    font-size: 2.2rem;
    text-decoration: none;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}
.social-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.2) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.5s;
}
.social-icon:hover {
    transform: translateY(-10px) rotate(12deg) scale(1.05);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(2, 26, 17, 0.6));
    border-color: rgba(16, 185, 129, 0.5);
    color: var(--primary-glow);
    box-shadow: 0 15px 35px rgba(16, 185, 129, 0.3);
}
.social-icon:hover::before {
    opacity: 1;
}
.mt-2 {
    margin-top: 2rem;
}