:root {
    --fonts: Inter, 'Open Sans', 'Helvetica', 'Roboto', sans-serif;
    --theme-color: #33e;
    --theme-color-highlight: #55f;
    --theme-color-highlight-2: #99f;
    --theme-color-lowlight: #11b;

    font-family: var(--fonts);
}

body {
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 0;
}

/* ---------- home page ---------- */

.mono, .logo a {
    color: #fff;
    text-decoration: none;
}

nav a {
    font-size: 20px;
}

header {
    position: sticky;
    top: 0%;
    width: 100vw;
    height: fit-content;
    background-color: var(--theme-color, gray);
    color: #fff;

    box-shadow: 0 0 20px var(--theme-color-lowlight);
}

header div.logo {
    padding: 1em;
}

header div.logo span {
    font-weight: bolder;
    font-size: 1.5em;

    border: 1px;
}

main {
    display: flex;
    flex-direction: column;
    gap: 1em;
    width: 100vw;
}

main section {
    margin: 0 2.5em;
    width: calc(100vw - (2.5em * 2));

    >h2 {
        text-decoration: underline;
        text-decoration-color: #aaa;
    }
}

section#intro {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    margin: 0;
    width: 100vw;
    background-color: var(--theme-color);
    color: #fff;

    font-size: 2em;

    border-bottom: 3px solid gray;
}
section#intro p {
    max-width: 65%;
    text-align: center;
    font-size: 18px;
}

div section {
    width: fit-content;
}

/* --- */

/* for anchors.js */
h2:hover {
    cursor: pointer;

    &::before {
        position: absolute;
        content: '#';
        text-decoration: underline;
        text-decoration-color: var(--theme-color);
        transform: translateX(-150%);
    }
}

/* --- */

pre, 
code, 
.mono {
    font-family: 'Mononoki', 'Droid Sans Mono', monospace;
}

/* --- */

form {
    display: flex;
    flex-direction: column;

    gap: .75em;
    margin: .5em 0;

    padding: 1rem .5rem;
    border: 2px solid #e3e3e3;
    border-radius: 5px;
}


form input,
form textarea {
    font-family: var(--fonts);

    width: 100%;
    padding: .3em .2em;

    outline: none;

    border: 1px solid #e3e3e3;
    border-radius: 5px;


    &:hover {
        background-color: 1px solid var(--theme-color-highlight);
    }

    transition: border .2s ease-in-out;
}

form input[type=button],
form input[type=submit],
button {
    outline: none;
    padding: .3em .5em;
    border: 1px solid #e3e3e3;
    background-color: #eee;
    border-radius: 5px;

    cursor: pointer;

    &:hover {
        background-color: var(--theme-color-highlight-2);
    }

    transition: background-color .2s ease-in-out;
}

div.columns {
    display: flex;

    @media (max-width: 600px) {
        flex-direction: column;
    }
}

div.rows {
    display: flex;
    flex-direction: column;
}

.faded {
    opacity: .2;
}

/* ---------- navbar ---------- */

.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--theme-color);
    color: #fff;
    /* padding: 0.5rem 2rem; */
}

.top-bar .logo {
    font-size: 1.5rem;
    font-weight: bold;
    margin-right: 50px;
}

.top-bar nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
}

.top-bar nav ul li {
    margin-right: 20px;
}

.top-bar nav ul li a {
    text-decoration: none;
    color: #fff;
    padding: 0 1rem;
}

.top-bar nav ul li a:hover {
    text-decoration: underline;
}

/* Hamburger Menu Styles */
.hamburger-menu {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 2px;
    background-color: #fff;
    margin: 5px;
}

@media screen and (max-width: 768px) {
    .top-bar .logo {
        margin-right: 0;
    }

    .top-bar nav ul {
        display: none;
    }

    .top-bar nav ul.show {
        display: flex;
        flex-direction: column;
        align-items: center;
        position: absolute;
        background-color: #4545ea;
        width: 100%;
        top: 50px;
        left: 0;
    }

    .top-bar nav ul li {
        margin: 10px 0;
    }

    .hamburger-menu {
        display: flex;
    }
}


/* ---------- pricing plans ---------- */

#pricing-plan-header {
    text-align: center;
}

#pricing-plan-header p {
    margin: 0 auto;
    width: 65%;
}

.plans {
    margin: 25px 0;
}

.plans hr {
    width: 80%;
}

.plans h2 {
    text-align: center;
}

.pricing-plans {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: stretch;
    margin-top: 2rem;
}

.pricing-plan {
    border: 1px solid #ccc;
    border-radius: 5px;
    padding: 1rem;
    text-align: center;
    flex: 1;
    margin: 0.5rem;
    max-width: 325px;
    min-width: 250px;
}

.pricing-plan h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.pricing-plan .price {
    font-weight: bold;
    margin-bottom: 1rem;
}

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

.pricing-plan ul li {
    margin-bottom: 0.5rem;
}

.pricing-plan button {
    padding: 0.5rem 1rem;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.pricing-plan button:hover {
    background-color: #0056b3;
}

@media (max-width: 600px) {
    .pricing-plan {
        max-width: calc(50% - 1rem);
    }
}

/* ---------- Footer Styles ---------- */
.footer {
    margin-top: 50px;
    background-color: #333;
    color: #fff;
    padding-top: 20px;
}

.footer-content {
    display: flex;
    justify-content: space-around;
    align-items: flex-start;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section {
    padding: 0 20px;
}

.footer-section h3 {
    margin-bottom: 10px;
}

.footer-section ul {
    padding: 0;
    margin: 0;
}

.footer-section ul li {
    list-style-type: none;
    margin-bottom: 5px;
}

.footer-section ul li a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: #ffcc00;
}
.footer-bottom {
    background-color: #222;
    padding: 10px 0;
    text-align: center;
}