body { 
    font-family: 'Inter', sans-serif;
    scroll-behavior: smooth;
}
.gradient-text {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.gradient-bg {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
}
.card-hover {
    transition: all 0.3s ease;
}
.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}
.animate-fade-in {
    animation: fadeIn 0.8s ease-in;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.mascote {
    width: 280px;
    max-width: 100%;
    height: auto;
    animation: float 4s ease-in-out infinite, blink 6s infinite;
    transition: transform 0.3s ease, opacity 0.5s ease;
    opacity: 0;
    will-change: transform;
}
.mascote.loaded {
    opacity: 1;
}
.mascote:hover {
    transform: translateY(-12px) scale(1.03);
}
@keyframes float {
    0%   { transform: translateY(0px); }
    50%  { transform: translateY(-12px); }
    100% { transform: translateY(0px); }
}
@keyframes blink {
    0%, 95%, 100% { filter: brightness(1); }
    96%, 97% { filter: brightness(0.85); }
}
@media (max-width: 1024px) {
    .mascote {
        width: 220px;
    }
}
@media (max-width: 768px) {
    .mascote {
        width: 180px;
    }
}
.plan-card {
    transition: all 0.3s ease;
}
.plan-card:hover {
    transform: translateY(-8px);
}
.plan-card.featured {
    border: 2px solid #3b82f6;
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
}
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}
.back-to-top.show {
    opacity: 1;
    visibility: visible;
}
.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
}
@media (max-width: 640px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
}
.logo {
    height: 90px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    transition: transform 0.3s ease;
}
nav {
    min-height: auto;
}
.logo:hover {
    transform: scale(1.05);
}
.logo-footer {
    height: 60px;
    width: auto;
    max-width: 250px;
    object-fit: contain;
}
@media (max-width: 768px) {
    .logo {
        height: 45px;
        max-width: 140px;
    }
    .logo-footer {
        height: 50px;
        max-width: 200px;
    }
}
@media (max-width: 640px) {
    .logo {
        height: 40px;
        max-width: 120px;
    }
    .logo-footer {
        height: 45px;
        max-width: 180px;
    }
}