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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    font-family:
        Inter,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Roboto,
        Helvetica,
        Arial,
        sans-serif;
    background: linear-gradient( 135deg, #F5EFD6 0%, #f7d1ff 50%, #f1b0ff 100%);
    color: #000;
    overflow-x: hidden;
    opacity: 0;
    transition: opacity 0.45s ease;
}

/*PAGE TRANSITION*/
body.page-loaded {
    opacity: 1;
}

body.page-leaving {
    opacity: 0;
}

/*SIDEBAR*/
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 230px;
    height: 100vh;
    padding: 40px 25px;
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.55);
    border-right: 1px solid rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 1000;
}

/*LOGO*/
.sidebar-logo {
    width: 52px;
    height: 52px;
    margin-bottom: 45px;
    border-radius: 12px;
    object-fit: cover;
}

/*SIDEBAR NAVIGATION*/
.sidebar nav {
    display: flex;
    flex-direction: column;
    gap: 15px;
}


.sidebar nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 10px;
    color: #555;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.sidebar nav a:hover {
    background: rgba(255, 255, 255, 0.65);
    color: #000;
    transform: translateX(4px);
}

.sidebar nav a.active {
    background: rgba(255, 255, 255, 0.7);
    color: #000;
    font-weight: 600;
}

/*BOTTOM SIDEBAR*/
.sidebar .sidebar-bottom {
    margin-top: auto;
}

/*LANGUAGE SWITCHER*/
.language-switcher {
    position: fixed;
    top: 25px;
    right: 30px;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px;
    background: rgba(255, 255, 255, 0.55);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 10px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1200;
}

.language-btn {
    border: none;
    padding: 7px 10px;
    border-radius: 7px;
    background: transparent;
    color: #555;
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.25s ease, color 0.25s ease;
}

.language-btn:hover {
    color: #000;
}

.language-btn.active {
    background: #000;
    color: #fff;
}

/*MOBILE MENU*/
.menu-toggle {
    display: none;
    position: fixed;
    top: 20px;
    left: 20px;
    width: 48px;
    height: 48px;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: #000;
    font-size: 1.15rem;
    cursor: pointer;
    z-index: 1300;
    transition: left 0.3s ease, right 0.3s ease, background 0.3s ease, transform 0.3s ease;
}

.menu-toggle:hover {
    background: rgba(255, 255, 255, 0.75);
    transform: scale(1.03);
}

/*MENU ABERTO*/
.menu-toggle.sidebar-open {
    left: auto;
    right: 20px;
}

/*SCROLL REVEAL*/

.scroll-reveal {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/*MOBILE*/

@media (max-width: 850px) {

    /* Sidebar */
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    /* Hamburger */
    .menu-toggle {
        display: flex;
    }

    /* Language switcher */
    .language-switcher {
        top: 20px;
        right: 80px;
    }
}

/*SMALL MOBILE*/

@media (max-width: 480px) {

    .language-switcher {
        right: 78px;
    }

    .menu-toggle {
        left: 15px;
    }

    .menu-toggle.sidebar-open {
        left: auto;
        right: 15px;
    }
}

/*REDUCED MOTION*/

@media (prefers-reduced-motion: reduce) {

    html {
        scroll-behavior: auto;
    }

    body {
        opacity: 1;
        transition: none;
    }

    body.page-loaded,
    body.page-leaving {
        opacity: 1;
    }


    .scroll-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .menu-toggle,
    .sidebar nav a,
    .language-btn {
        transition: none;
    }
}