html {
    font-size: 14px;
    position: relative;
    min-height: 100%;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

body {
    margin-bottom: 60px;
    font-family: 'Segoe UI', sans-serif;
    background-color: #f8f9fa;
}

/* -------------------- Hero Section -------------------- */
.hero {
    background-color: #0b1220;
    background-image: radial-gradient(35vmax 35vmax at 15% 20%, rgba(99, 102, 241, 0.3), transparent 55%), radial-gradient(40vmax 40vmax at 85% 30%, rgba(56, 189, 248, 0.4), transparent 55%), radial-gradient(30vmax 30vmax at 40% 85%, rgba(16, 185, 129, 0.3), transparent 55%);
    background-blend-mode: lighten;
    background-repeat: no-repeat;
    background-size: cover;
    color: #fff;
    position: relative;
    overflow: hidden;
    padding: 60px 20px;
    text-align: center;
}

    .hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background-color: rgba(0, 0, 0, 0.4);
        backdrop-filter: blur(6px);
        z-index: 1;
    }

    .hero::after {
        content: "";
        position: absolute;
        inset: 0;
        background-image: url('/img/hero-aurora.svg');
        background-size: cover;
        background-position: center;
        mix-blend-mode: screen;
        opacity: 0.35;
        pointer-events: none;
        z-index: 1;
    }

    .hero > * {
        position: relative;
        z-index: 3;
    }

    .hero img {
        max-height: 90px;
        margin-bottom: 1rem;
    }

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    background: rgba(0, 0, 0, 0.25);
    border-radius: 14px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    margin-top: 1rem;
}

/* -------------------- Language Switcher -------------------- */
.lang-switcher {
    position: fixed;
    top: 15px;
    right: 20px;
    z-index: 9999;
    background: rgba(255, 255, 255, 0.8);
    padding: 4px 8px;
    border-radius: 8px;
    box-shadow: 0 0 5px rgba(0,0,0,0.2);
}

    .lang-switcher img {
        width: 28px;
        height: 20px;
        margin-left: 8px;
        cursor: pointer;
        border: 1px solid #ccc;
        border-radius: 2px;
        object-fit: cover;
    }

/* -------------------- Buttons -------------------- */
.btn-demo {
    font-size: 1.1rem;
    padding: 12px 30px;
    box-shadow: 0 8px 24px rgba(34,197,94,.35);
}

.btn.btn-outline-light:hover {
    background: rgba(255,255,255,.15);
}

.whatsapp-btn {
    background-color: #25d366;
    color: white;
    padding: 10px 20px;
    border-radius: 50px;
    text-decoration: none;
    display: inline-block;
    margin-top: 10px;
}

/* -------------------- Footer -------------------- */
footer {
    background: #343a40;
    color: #ccc;
    padding: 20px 0;
    text-align: center;
}

    footer a {
        color: #ccc;
        text-decoration: underline;
    }

/* -------------------- Logo Strip -------------------- */
.logo-strip {
    overflow: hidden;
    background: #ffffff;
    border-top: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
    padding: 20px 0;
}

.logo-track {
    display: flex;
    width: max-content;
    animation: scroll 30s linear infinite;
    gap: 50px;
}

    .logo-track img {
        height: 50px;
        object-fit: contain;
        opacity: 0.8;
        transition: transform 0.3s;
    }

        .logo-track img:hover {
            transform: scale(1.1);
            opacity: 1;
        }

@keyframes scroll {
    0% {
        transform: translateX(100%);
    }

    100% {
        transform: translateX(-100%);
    }
}

/* -------------------- Utility -------------------- */
.glass {
    background: linear-gradient(to bottom, rgba(10, 20, 40, .35), rgba(10, 20, 40, .20));
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 18px;
    padding: 2.25rem 1.5rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, .30);
}

@media (max-width: 576px) {
    .glass {
        padding: 1.25rem;
    }

    .hero::before {
        filter: blur(60px);
    }
}