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

:root {
    /* height-width related */
    --navbar-height: 80px;
    --buffer-height: 100px;
    --sidebar-width: 220px;

    /* padding-margin related */
    --button-padding: 10px 20px;

    /* font related */
    --cta-heading: 1.5rem;
    --cta-paragraph: 1.1rem;
    --cta-button: 1.15rem;

    /* color related */
    --color-primary: #2b2d42;
    --color-secondary: #edf6f9;
    --color-tertiary: #e0e8eb;
    --color-quaternary: #c9d6e2;
    --color-primary-opt: rgba(43, 45, 66, .8);
    --border-color: rgba(43, 45, 66, .2);
}

body{
    background-color: var(--color-tertiary);
    font-family: sans-serif;
    color: var(--color-primary);
    padding-top: var(--navbar-height);
    min-width: 320px;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--buffer-height);
}

.navbar{
    display: flex;
    justify-content: center;
    align-items: center;
    height: var(--navbar-height);
    padding: 0 20px;
    background-color: var(--color-secondary);
    box-shadow: 0px 0px 10px rgba(43, 45, 66, 0.2);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
}

.menu-icon{
    cursor: pointer;
    background-color: transparent;
    border: none;
    position: fixed;
    left: 20px;
    top: 20px;
    z-index: 12;
}

.menu-icon.none{
    display: none;
}

.close-icon {
    cursor: pointer;
    background-color: transparent;
    border: none;
    position: fixed;
    left: 20px;
    top: 20px;
    z-index: 12;
}

.close-icon.none {
    display: none;
}

.brand-sign{
    height: 20px;
}

.sidebar{
    height: 100vh;
    width: 220px;
    background-color: var(--color-secondary);
    box-shadow: 0px 0px 10px rgba(43, 45, 66, 0.2);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 11;
    transition:  0.3s ease;
}

.sidebar.hidden{
    transform: translateX(-100%);
}

.sidebar-links{
    line-height: 1.5;
    padding: 20px;
    margin-top: 100px;
    list-style: none;
}

.sidebar-links li{
    padding: .5rem 0;
}

.sidebar-links a{
    font-size: 1.1rem;
    color: var(--color-primary);
    text-decoration: none;
}

.main-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
    padding: 40px 20px;
    background-color: var(--color-secondary);
}

.content-card{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    line-height: 1.5;
    padding: 20px;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 20px;
}

.content-card h1{
    font-size: var(--cta-heading);
}

.content-card p{
    margin-top: .5rem;
    font-size: var(--cta-paragraph);
    max-width: 600px;
}

.follow-us{
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 40px 0;
}

.follow-us-heading{
    font-size: var(--cta-heading);
}

.follow-us-links{
    display: flex;
    gap: 20px;
    margin-top: 1rem;
}

.follow-us-links a img{
    height: 34px;
    width: 34px;
}

.go-to-top{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 40px;
    width: 40px;
    background-color: rgba(43, 45, 66, .1);
    backdrop-filter: blur(4px);
    border: 1px solid var(--color-primary);
    border-radius: 20px;
    cursor: pointer;
    position: fixed;
    bottom: 20px;
    right: 20px;
}

.go-to-top:hover{
    background-color: rgba(43, 45, 66, .2);
}