:root {
        --accent-color: #d01341;
        --offwhite: #ffffff;
        --offblack: #2d4f95;
        --transition: all 0.3s ease;
    }

    /* ===== HEADER ===== */
    header {
        font-family: "PP Neue Montreal", sans-serif;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 100;
        padding: 0;
        background-color: #ffffff;
        backdrop-filter: blur(10px);
        transition: background-color 0.4s ease, padding 0.3s ease, box-shadow 0.4s ease;
    }

    header.scrolled {
        background-color: #2d4f95;
        padding: 1rem 0;
        box-shadow: 0 4px 18px rgba(0, 0, 0, 0.25);
    }

    /* ===== HEADER INNER ===== */
    .header-container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 1.5rem;
    }

    /* ===== LOGO ===== */
    .logo img {
        width: 40px;
        height: auto;
        transition: transform 0.3s ease;
    }

    header.scrolled .logo img {
        transform: scale(1.5);
        filter: brightness(0) invert(1);
    }

    /* ===== NAVIGATION ===== */
    .nav-links {
        display: flex;
        align-items: center;
        gap: 2rem;
    }

    .nav-links a {
        color: #2d4f95;
        text-decoration: none;
        font-size: 0.7rem;
        text-transform: uppercase;
        font-weight: 600;
        letter-spacing: 0.05em;
        position: relative;
        transition: color 0.3s ease;
    }

    .nav-links a::after {
        content: "";
        position: absolute;
        bottom: -3px;
        left: 0;
        width: 0;
        height: 2px;
        background-color: var(--accent-color);
        transition: width 0.3s ease;
    }

    .nav-links a:hover::after {
        width: 100%;
    }

    header.scrolled .nav-links a {
        color: var(--offwhite);
    }


    header.scrolled .header-socials a {
        color: var(--offwhite);
    }

    /* --- Redes sociales --- */
    .header-socials {
        display: flex;
        gap: 12px;
        margin-top: 1rem;
    }

    .header-socials a {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        color: #1e3e7a;
        font-size: 1.4rem;
        transition: all 0.3s ease;
        text-decoration: none !important;
    }

    .header-socials a:hover {
        background: #ffffff;
        color: #d01341;
        transform: translateY(-3px);
    }


    /* ===== HAMBURGER MENU ===== */
    .menu-toggle {
        display: none;
        flex-direction: column;
        justify-content: space-between;
        width: 26px;
        height: 20px;
        background: transparent;
        border: none;
        cursor: pointer;
        z-index: 110;
    }

    .menu-toggle span {
        display: block;
        width: 100%;
        height: 2px;
        background: azure;
        border-radius: 2px;
        transition: all 0.3s ease;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translateY(8px);
    }

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

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translateY(-8px);
    }

    img,
    video {
        max-width: 100%;
        height: auto;
    }

    /* ===== RESPONSIVE NAVIGATION ===== */
    @media (max-width: 992px) {
        .nav-links {
            position: fixed;
            top: 0;
            right: 0;
            height: 100vh;
            width: 70%;
            background-color: var(--offblack);
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 2.5rem;
            transform: translateX(100%);
            transition: transform 0.3s ease-in-out;
        }

        .nav-links.active {
            transform: translateX(0);
        }

        .nav-links a {
            color: var(--offwhite);
            font-size: 1.1rem;
            letter-spacing: 0.05em;
        }

        .menu-toggle {
            display: flex;
        }

        header.scrolled {
            background-color: #2d4f95
        }
    }

    /* ===== MOBILE ===== */
    @media (max-width: 600px) {
        .header-container {
            padding: 0 1rem;
        }

        .nav-links {
            width: 80%;
        }

        .logo img {
            width: 50px;
        }
    }