body {
        font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
        background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        margin: 0;
        padding: 0;
        min-height: 100vh;
    }

    .header {
        background: #173366;
        color: white;
        padding: 20px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        position: relative;
    }

    .header-content {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
    }

    .header-left {
        display: flex;
        align-items: center;
        gap: 20px;
    }

    .header-icon {
        width: max-content;
        position: relative;
    }

    /* Container da logo com círculo animado */
    .logo-container {
        position: relative;
        width: 60px;
        height: 60px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .logo-circle {
        width: 50px;
        height: 50px;
        border-radius: 50%;
        background: linear-gradient(45deg, #ffffff20, #ffffff10);
        backdrop-filter: blur(10px);
        border: 2px solid rgba(255, 255, 255, 0.2);
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
        z-index: 2;
        overflow: hidden;
    }

    .logo-circle::before {
        content: '';
        position: absolute;
        inset: -2px;
        background: linear-gradient(45deg, #60a5fa, #3b82f6, #1d4ed8, #60a5fa);
        border-radius: 50%;
        opacity: 0;
        transition: opacity 0.3s ease;
        z-index: -1;
    }

    .logo-circle:hover::before {
        opacity: 1;
    }

    .logo-circle img {
        width: 35px;
        height: 35px;
        object-fit: contain;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        border-radius: 50%;
    }

    .logo-circle:hover img {
        transform: scale(1.1);
        filter: brightness(1.2);
    }

    /* Animação de pulso ao redor da logo */
    .logo-pulse {
        position: absolute;
        width: 60px;
        height: 60px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(96, 165, 250, 0.3) 0%, transparent 70%);
        animation: pulse 2s infinite;
        z-index: 1;
    }

    @keyframes pulse {
        0% {
            transform: scale(1);
            opacity: 1;
        }
        50% {
            transform: scale(1.2);
            opacity: 0.5;
        }
        100% {
            transform: scale(1.4);
            opacity: 0;
        }
    }

    /* Animação de entrada da logo */
    .logo-container.loaded .logo-circle {
        animation: logoEntrance 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    }

    @keyframes logoEntrance {
        0% {
            transform: scale(0) rotate(180deg);
            opacity: 0;
        }
        50% {
            transform: scale(1.2) rotate(90deg);
            opacity: 0.8;
        }
        100% {
            transform: scale(1) rotate(0deg);
            opacity: 1;
        }
    }

    /* Efeito de brilho que passa pela logo */
    .logo-circle::after {
        content: '';
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
        transform: rotate(45deg);
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .logo-circle:hover::after {
        animation: shimmer 0.8s ease-out;
    }

    @keyframes shimmer {
        0% {
            opacity: 0;
            transform: translateX(-100%) rotate(45deg);
        }
        50% {
            opacity: 1;
        }
        100% {
            opacity: 0;
            transform: translateX(100%) rotate(45deg);
        }
    }

    .header-text h1 {
        font-size: 24px;
        margin: 0;
        transition: color 0.3s ease;
    }

    .header-text h1:hover {
        color: #93c5fd;
    }

    /* Menu Desktop */
    .nav-menu {
        display: flex;
        gap: 30px;
    }

    .nav-item {
        color: white;
        text-decoration: none;
        font-weight: 500;
        font-size: 16px;
        padding: 8px 16px;
        border-radius: 8px;
        transition: all 0.3s ease;
    }

    .nav-item:hover {
        background: rgba(255, 255, 255, 0.1);
        transform: translateY(-1px);
    }

    /* Menu Hambúrguer */
    .menu-toggle {
        display: none;
        flex-direction: column;
        cursor: pointer;
        padding: 5px;
        z-index: 1001;
    }

    .menu-toggle span {
        width: 25px;
        height: 3px;
        background-color: white;
        margin: 3px 0;
        transition: 0.3s;
        border-radius: 2px;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    /* Menu Mobile */
    .nav-menu.mobile {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: #173366;
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 80px 20px 20px;
        transition: right 0.3s ease;
        z-index: 1000;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        padding: 10px;
    }

    .nav-menu.mobile.active {
        right: 0;
    }

    .nav-menu.mobile .nav-item {
        width: 100%;
        padding: 15px 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 0;
        font-size: 18px;
        transition: background 0.3s ease;
    }

    .nav-menu.mobile .nav-item:hover {
        background: rgba(255, 255, 255, 0.1);
        transform: none;
    }

    .menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    .menu-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    /* Responsividade */
    @media (max-width: 768px) {
        .header {
            padding: 15px 20px;
        }

        .header-left {
            gap: 15px;
        }

        .header-text h1 {
            font-size: 20px;
        }

        .logo-container {
            width: 50px;
            height: 50px;
        }

        .logo-circle {
            width: 40px;
            height: 40px;
        }

        .logo-circle img {
            width: 28px;
            height: 28px;
        }

        .logo-pulse {
            width: 50px;
            height: 50px;
        }

        .nav-menu:not(.mobile) {
            display: none;
        }

        .menu-toggle {
            display: flex;
        }
    }

    @media (max-width: 480px) {
        .header-text h1 {
            font-size: 18px;
        }

        .nav-menu.mobile {
            right: -100%;
        }
    }

 .logo-personalizada {
    animation: pulseLogoZoom 0.6s ease-out;
}

@keyframes pulseLogoZoom {
    0% {
        transform: scale(0.9);
        opacity: 0.5;
    }
    60% {
        transform: scale(1.15);
        opacity: 1;
    }
    100% {
        transform: scale(1);
    }
}