:root {
        --gold: #C5A47E;
        --turquoise: #40B0B6;
        --navy: #0A2342;
        --cream: #F5F3EF;
        --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }

    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Plus Jakarta Sans', sans-serif;
        background-color: var(--cream);
        color: var(--navy);
        line-height: 1.6;
        scroll-behavior: smooth;
    }

    
    .main-container {
        margin-top: 90px;
        padding: 3rem 5% 4rem;
        max-width: 1280px;
        margin-left: auto;
        margin-right: auto;
    }

    .content-card {
        background: linear-gradient(145deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.7) 100%);
        border-radius: 20px;
        padding: 2.5rem;
        box-shadow: 0 8px 32px rgba(10, 35, 66, 0.05);
        backdrop-filter: blur(12px);
        border: 1px solid rgba(255, 255, 255, 0.4);
        margin: 0 auto;
        max-width: 800px;
    }

    .logo-mark {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 1.2rem;
        margin: 1.5rem auto 3rem;
        position: relative;
        padding-bottom: 1.8rem;
        animation: float 4s ease-in-out infinite;
    }

    .logo-mark::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 100px;
        height: 2px;
        background: linear-gradient(90deg, var(--turquoise) 0%, var(--gold) 100%);
    }

    .logo-mark img {
        width: 140px;
        height: auto;
        filter: drop-shadow(0 3px 8px rgba(10, 35, 66, 0.1));
    }

    .logo-mark h2 {
        font-family: 'Plus Jakarta Sans', sans-serif;
        font-size: 2rem;
        color: var(--navy);
        letter-spacing: 0.5px;
        font-weight: 600;
        text-align: center;
        line-height: 1.3;
    }

    .pro-intro {
        background: rgba(255, 255, 255, 0.85);
        border-radius: 16px;
        padding: 1.8rem;
        margin-bottom: 2rem;
        border: 1px solid rgba(86, 189, 189, 0.15);
    }

    .pro-intro h3 {
        font-size: 1.6rem;
        color: var(--navy);
        margin-bottom: 1.5rem;
        font-weight: 700;
        position: relative;
        padding-right: 1.2rem;
    }

    .pro-intro h3::after {
        content: '';
        position: absolute;
        right: 0;
        bottom: -8px;
        width: 50px;
        height: 2px;
        background: var(--turquoise);
    }

    .pro-intro ul {
        list-style: none;
        padding: 0.5rem 0;
    }

    .pro-intro li {
        font-size: 1.05rem;
        color: #4a5568;
        margin-bottom: 0.8rem;
        padding: 1rem 1.2rem;
        border-radius: 8px;
        transition: var(--transition);
        display: flex;
        align-items: center;
        gap: 1rem;
        background: rgba(245, 243, 239, 0.4);
    }

    .pro-intro li:hover {
        transform: translateX(8px);
        background: rgba(245, 243, 239, 0.8);
    }

    .cta {
        margin-top: 2.5rem;
        text-align: center;
    }

    .cta a.login-button {
        display: inline-flex;
        align-items: center;
        padding: 1.1rem 2.5rem;
        background: linear-gradient(135deg, var(--turquoise) 0%, var(--navy) 100%);
        color: white;
        text-decoration: none;
        border-radius: 50px;
        font-size: 1.1rem;
        font-weight: 600;
        transition: var(--transition);
        gap: 0.8rem;
        position: relative;
        overflow: hidden;
    }

    .cta a.login-button::after {
        content: '';
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: linear-gradient(45deg, transparent 20%, rgba(255,255,255,0.2) 50%, transparent 80%);
        transform: rotate(45deg);
        animation: shine 3s infinite;
    }

    @keyframes shine {
        0% { transform: translateX(-150%) rotate(45deg); }
        100% { transform: translateX(150%) rotate(45deg); }
    }

    footer {
        background: var(--navy);
        color: rgba(255, 255, 255, 0.85);
        padding: 2.5rem 5%;
        text-align: center;
        border-top: 2px solid var(--gold);
        margin-top: 3rem;
    }

    footer p {
        font-size: 0.9rem;
        max-width: 800px;
        margin: 0 auto;
        line-height: 1.6;
    }

    @media (max-width: 768px) {
        .topnav {
            flex-wrap: wrap;
            gap: 0.8rem;
            padding: 0.8rem 5%;
        }

        .nav-title {
            font-size: 1.5rem;
        }

        .nav-links {
            gap: 1.2rem;
        }

        .content-card {
            padding: 1.5rem;
            border-radius: 16px;
        }

        .logo-mark {
            margin: 1rem auto 2rem;
        }

        .logo-mark img {
            width: 120px;
        }

        .logo-mark h2 {
            font-size: 1.7rem;
        }

        .pro-intro {
            padding: 1.2rem;
        }

        .pro-intro li {
            flex-direction: column;
            align-items: flex-start;
            gap: 0.8rem;
            font-size: 1rem;
        }

        .cta a.login-button {
            width: 100%;
            padding: 1rem;
            font-size: 1rem;
        }

        .language-switcher {
            order: -1;
            width: 100%;
            justify-content: center;
        }
    }

    @keyframes float {
        0%, 100% { transform: translateY(0); }
        50% { transform: translateY(-8px); }
    }