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

:root {
    --deep-ocean: #0a3d52;
    --ocean-blue: #1a5f7a;
    --wave-teal: #007E82;
    --foam-light: #86c5d8;
    --foam-white: #e8f4f8;
    --text-dark: #0f2b35;
    --text-light: #ffffff;
}

:focus-visible {
    outline: none;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 2rem;
}

    .hero::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, rgba(10, 61, 82, 0.9), rgba(26, 95, 122, 0.8));
        z-index: 1;
    }

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
    color: var(--text-light);
}

.hero-buttons {
    display: flex;
    gap: 2.5rem;
    justify-content: center;
    flex-wrap: wrap;
    align-items: stretch;
}

.entry-button {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding: 2.5rem 3rem;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.25);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s;
    color: var(--text-light);
    min-width: 300px;
}

    .entry-button:hover {
        transform: translateY(-4px);
        background: rgba(255, 255, 255, 0.2);
        border-color: var(--foam-light);
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
    }

    .entry-button:focus-visible {
        outline: 2px solid var(--foam-light);
        outline-offset: 4px;
    }

    .entry-button .logo-image {
        height: 5rem;
        width: 15rem;
        background-image: url('images/SternaAppLogo.png');
        background-repeat: no-repeat;
        background-size: contain;
        background-position: center left;
        display: flex;
        position: relative;
    }

    .entry-button .logo-text {
        font-family: "Montserrat", sans-serif;
        font-optical-sizing: auto;
        font-weight: 700;
        font-style: normal;
        font-size: 1.8rem;
        padding-left: 56px;
        padding-top: 5px;
        color: var(--text-light);
    }

    .entry-button .appname-text {
        font-family: "Montserrat", sans-serif;
        font-optical-sizing: auto;
        font-weight: 800;
        font-style: italic;
        font-size: 0.8rem;
        padding-top: 5px;
        color: var(--foam-light);
    }

        .entry-button .appname-text.backoffice {
            font-size: 0.6rem;
        }

.entry-label {
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-buttons {
        gap: 1.5rem;
    }

    .entry-button {
        min-width: 260px;
        padding: 2rem;
    }
}