/*
========================================
CSS Custom Properties (Variables)
========================================
*/
:root {
    --color-background: #ffffff;
    --color-foreground: #f8f9fa;
    --color-text: #333333;
    --color-primary: #007bff;
    --color-primary-hover: #0056b3;
    --color-border-subtle: #e9ecef;

    --font-family-sans-serif: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-weight-normal: 400;
    --font-weight-bold: 700;

    --navbar-height: 70px;
    --navbar-padding: 1rem;
    --container-width: 1140px;

    --transition-speed: 0.2s;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-family-sans-serif);
    font-size: 1rem;
    font-weight: var(--font-weight-normal);
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-background);
}

body::after {
    display: block;
    text-align: center;
    height: 200vh;
    padding-top: 5rem;
    color: #aaa;
}

ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

a {
    text-decoration: none;
    color: var(--color-text);
}

/*
========================================
Main Navbar Structure
========================================
*/
.navbar {
    height: var(--navbar-height);
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--color-border-subtle);
    position: relative;
}

.navbar__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--navbar-padding);
}

.navbar__brand {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
}

.navbar__item--brand {
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: none;
}

.navbar__brand-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem;
}

.navbar__brand-image {
    display: block;
    width: 36px;
    height: 36px;
    max-width: 100%;
    object-fit: contain;
    border-radius: 6px;
    mix-blend-mode: multiply;
}

/*
========================================
Mobile Menu & Hamburger Toggle (default = mobile)
========================================
*/
.navbar__toggle {
    display: block;
    padding: 0.5rem;
    border: none;
    background: transparent;
    cursor: pointer;
    z-index: 1001;
}

.navbar__toggle .bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--color-text);
    transition: all var(--transition-speed) ease-in-out;
}

.navbar__toggle.is-active .bar:nth-child(2) {
    opacity: 0;
}
.navbar__toggle.is-active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.navbar__toggle.is-active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.navbar__menu {
    display: flex;
    flex-direction: column;
    width: 65%;
    max-width: 300px;
    position: fixed;
    top: 0;
    right: -100%;
    height: auto;
    max-height: 100vh;
    background-color: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: -8px 0 24px rgba(0, 0, 0, 0.12);
    z-index: 1000;
    transition: right var(--transition-speed) ease-in-out;
    overflow-y: auto;
    padding-top: var(--navbar-height);
    padding-bottom: 1rem;
}

.navbar__menu.is-active {
    right: 0;
}

.navbar__item {
    text-align: center;
    border-bottom: 1px solid var(--color-border-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 64px;
}

.navbar__item:last-child {
    border-bottom: none;
}

.navbar__link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    padding: 1.25rem;
    transition: background-color var(--transition-speed) ease;
}

.navbar__link:hover,
.navbar__link:focus {
    background-color: var(--color-foreground);
}

.navbar__link--cta {
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
}

:is(.navbar__toggle, .navbar__link):focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 2px;
}

/*
========================================
Desktop Navbar Styles (768px and wider)
========================================
*/
@media (min-width: 768px) {
    .navbar__toggle {
        display: none;
    }

    .navbar__menu {
        display: flex;
        flex-direction: row;
        align-items: center;
        position: static;
        top: auto;
        right: auto;
        width: auto;
        max-width: none;
        height: auto;
        max-height: none;
        background-color: transparent;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        border: none;
        box-shadow: none;
        padding-top: 0;
        padding-bottom: 0;
        overflow: visible;
    }

    .navbar__list {
        display: flex;
        flex-direction: row;
        align-items: center;
    }

    .navbar__item {
        border: none;
        margin-left: 0.5rem;
        min-height: auto;
        display: flex;
    }

    .navbar__item--brand {
        margin-left: 1rem;
    }

    .navbar__brand-image {
        width: 40px;
        height: 40px;
    }

    .navbar__link {
        width: auto;
        height: auto;
        padding: 0.5rem 1rem;
        border-radius: 4px;
        border-bottom: 2px solid transparent;
    }

    .navbar__link:not(.navbar__link--cta):hover,
    .navbar__link:not(.navbar__link--cta):focus {
        background-color: transparent;
        border-bottom-color: var(--color-primary);
        color: var(--color-text);
    }

    .navbar__item--cta {
        margin-left: 1.5rem;
    }

    .navbar__link--cta {
        color: #fff;
        background-color: var(--color-primary);
        padding: 0.75rem 1.5rem;
        transition: background-color var(--transition-speed) ease;
        border-bottom: none;
    }

    .navbar__link--cta:hover,
    .navbar__link--cta:focus {
        background-color: var(--color-primary-hover);
        border-bottom: none;
    }
}

.img-ai {
    height: 40px;
    width: auto;
    mix-blend-mode: multiply;
    margin-left: 15px;
    transition: height 0.2s ease;
}

@media (max-width: 767px) {
    .img-ai {
        height: 28px;
        margin-left: 8px;
    }
}