/* 1. Variables */

:root {
    --color-white: #fff;
    --color-lighter-gray: #f6f6f6;
    --color-light-gray: #e6e6e6;
    --color-mid-gray: #ccc;
    --color-dark-gray: #444;
    --color-darker-gray: #15171a;
    --color-black: #000;
    --color-primary-text: var(--color-darker-gray);
    --color-secondary-text: rgba(0, 0, 0, 0.4);
    --color-border: rgba(0, 0, 0, 0.08);
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
    --font-serif: Georgia, Times, serif;
    --font-mono: Menlo, Courier, monospace;
    --gap: clamp(24px, 1.7032rem + 1.9355vw, 48px);
}

/* 2. Resets */

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

* {
    margin: 0;
}

html {
    font-size: 62.5%;
}

body {
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, picture, video, canvas, svg {
    display: block;
    height: auto;
    max-width: 100%;
}

iframe {
    display: block;
}

input, button, textarea, select {
    font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
    overflow-wrap: break-word;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
}

/* 3. Globals */

body {
    font-family: var(--font-sans);
    font-size: 1.6rem;
}

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

a:hover {
    opacity: 0.8;
}

.gh-button {
    display: inline-flex;
    gap: 0.4em;
    align-items: center;
    justify-content: center;
    padding: 0.75em 1.15em;
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1;
    color: var(--color-white);
    letter-spacing: inherit;
    cursor: pointer;
    background-color: var(--ghost-accent-color);
    border: 0;
    border-radius: 100px;
}

.gh-button:hover {
    opacity: 0.95;
}

.gh-icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    color: var(--color-darker-gray);
    cursor: pointer;
    background-color: transparent;
    border: 0;
    outline: none;
}

.gh-icon-button:hover svg {
    opacity: 0.8;
}

.gh-icon-button svg {
    width: 20px;
    height: 20px;
}

/* 4. Layout */

.gh-viewport {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.gh-content {
    flex-grow: 1;
}

.gh-outer {
    position: relative;
    padding: 0 max(4vmin, 20px);
}

.gh-inner {
    margin: 0 auto;
    max-width: 1280px;
    width: 100%;
}

/* 5. Navigation */

.gh-navigation {
    height: 100px;
}

.gh-navigation-inner {
    display: grid;
    grid-auto-flow: row dense;
    column-gap: 24px;
    align-items: center;
    height: 100%;
}

.gh-navigation-brand {
    line-height: 1;
}

.gh-navigation-logo {
    position: relative;
    font-size: 2.6rem;
    font-weight: 700;
    letter-spacing: -0.015em;
    white-space: nowrap;
}

.gh-navigation-logo img {
    max-height: 40px;
}

.gh-navigation-menu,
.gh-navigation-members a[data-portal="signin"] {
    font-size: 1.6rem;
    font-weight: 500;
}

.gh-navigation-menu {
    display: flex;
    gap: 24px;
    align-items: center;
}

.gh-navigation .nav {
    display: inline-flex;
    gap: 24px;
    align-items: center;
    padding: 0;
    margin: 0;
    white-space: nowrap;
    list-style: none;
}

.gh-navigation .gh-more-toggle {
    position: relative;
    margin: 0 -6px;
    font-size: inherit;
    text-transform: inherit;
}

.gh-navigation .gh-more-toggle svg {
    width: 24px;
    height: 24px;
}

.gh-navigation-actions {
    display: flex;
    gap: 24px;
    align-items: center;
    justify-content: flex-end;
}

.gh-navigation-members {
    display: flex;
    gap: 20px;
    align-items: center;
    white-space: nowrap;
}

.gh-navigation-members .gh-button {
    font-size: inherit;
    font-weight: 600;
}

.gh-search {
    margin-right: -6px;
    margin-left: -6px;
}

.gh-navigation-brand .gh-search {
    margin-right: 2px;
}

@media (max-width: 767px) {
    .gh-navigation-members {
        flex-direction: column-reverse;
        gap: 16px;
        width: 100%;
    }

    .gh-navigation-actions .gh-search {
        display: none;
    }
}

@media (min-width: 768px) {
    .gh-navigation-brand .gh-search {
        display: none;
    }

    .gh-navigation:not(.is-dropdown-loaded) .gh-navigation-menu .nav > li {
        opacity: 0;
    }
}

/* 5.1. Navigation variants */

/*
======================================================================
LOGO   Home About Collection Author Portal             Login Subscribe
======================================================================
*/

.is-navigation-left-logo .gh-navigation-inner {
    grid-template-columns: auto 1fr auto;
}

@media (min-width: 992px) {
    .is-navigation-left-logo .gh-navigation-menu {
        margin-right: 64px;
        margin-left: 16px;
    }
}

/*
======================================================================
Home About Collection            LOGO                  Login Subscribe
======================================================================
*/

.is-navigation-middle-logo .gh-navigation-inner {
    grid-template-columns: 1fr auto 1fr;
}

.is-navigation-middle-logo .gh-navigation-brand {
    grid-column-start: 2;
}

.is-navigation-middle-logo .gh-navigation-actions {
    gap: 28px;
}

@media (min-width: 992px) {
    .is-navigation-middle-logo .gh-navigation-menu {
        margin-right: 64px;
    }
}

/*
======================================================================
Search                         LOGO                    Login Subscribe
                 Home About Collection Author Portal
======================================================================
*/

.is-navigation-stacked.gh-navigation {
    position: relative;
    height: auto;
}

.is-navigation-stacked .gh-navigation-inner {
    grid-template-columns: 1fr auto 1fr;
}

.is-navigation-stacked .gh-navigation-brand {
    display: flex;
    grid-row-start: 1;
    grid-column-start: 2;
    min-height: 80px;
}

@media (min-width: 992px) {
    .is-navigation-stacked .gh-navigation-inner {
        padding: 0;
    }

    .is-navigation-stacked .gh-navigation-brand {
        display: flex;
        align-items: center;
        height: 80px;
    }

    .is-navigation-stacked .gh-navigation-menu {
        grid-row-start: 2;
        grid-column: 1 / 4;
        justify-content: center;
        height: 56px;
        margin: 0 48px;
    }

    .is-navigation-stacked .gh-navigation-menu::before,
    .is-navigation-stacked .gh-navigation-menu::after {
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        height: 1px;
        content: "";
        background-color: var(--color-border);
    }

    .is-navigation-stacked .gh-navigation-menu::after {
        top: 136px;
    }

    .is-navigation-stacked .gh-navigation-actions {
        grid-row-start: 1;
        grid-column: 1 / 4;
        justify-content: space-between;
    }
}

/* 5.2. Dropdown menu */

.gh-dropdown {
    position: absolute;
    top: 100%;
    right: -16px;
    z-index: 90;
    width: 200px;
    padding: 12px 0;
    margin-top: 24px;
    text-align: left;
    visibility: hidden;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.04), 0 7px 20px -5px rgba(0, 0, 0, 0.15);
    opacity: 0;
    transition: opacity 0.3s, transform 0.2s;
    transform: translate3d(0, 6px, 0);
}

.is-navigation-middle-logo .gh-dropdown {
    right: auto;
    left: -24px;
}

.is-dropdown-mega .gh-dropdown {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-auto-flow: column;
    column-gap: 40px;
    width: auto;
    padding: 20px 32px;
}

.is-dropdown-open .gh-dropdown {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

.gh-dropdown li a {
    display: block;
    padding: 6px 20px;
    color: #15171a !important;
}

.is-dropdown-mega .gh-dropdown li a {
    padding: 8px 0;
}

/* 5.3. Burger icon */

.gh-burger {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    display: none;
    margin-right: -7px;
}

.gh-burger svg {
    width: 24px;
    height: 24px;
}

.gh-burger svg:last-child {
    display: none;
}

.is-navigation-open .gh-burger svg:first-child {
    display: none;
}

.is-navigation-open .gh-burger svg:last-child {
    display: block;
}

@media (max-width: 767px) {
    .gh-burger {
        display: flex;
    }
}

/* 5.4. Mobile menu */

@media (max-width: 767px) {
    #gh-navigation {
        height: 64px;
    }

    #gh-navigation .gh-navigation-inner {
        grid-template-rows: auto 1fr auto;
        grid-template-columns: 1fr;
        gap: 48px;
    }

    #gh-navigation .gh-navigation-brand {
        display: grid;
        grid-template-columns: 1fr auto auto;
        grid-column-start: 1;
        align-items: center;
        height: 64px;
    }

    #gh-navigation .gh-navigation-logo {
        font-size: 2.2rem;
    }

    #gh-navigation .gh-navigation-menu,
    #gh-navigation .gh-navigation-actions {
        position: fixed;
        justify-content: center;
        visibility: hidden;
        opacity: 0;
    }

    #gh-navigation .gh-navigation-menu {
        transition: none;
        transform: translateY(0);
    }

    #gh-navigation .nav {
        gap: 20px;
        align-items: center;
        line-height: 1.4;
    }

    #gh-navigation .nav a {
        font-size: 2.6rem;
        font-weight: 600;
        text-transform: none;
    }

    #gh-navigation .nav li {
        opacity: 0;
        transform: translateY(-4px);
    }

    #gh-navigation .gh-navigation-actions {
        text-align: center;
    }

    #gh-navigation :is(.gh-button, a[data-portal="signin"]) {
        opacity: 0;
        transform: translateY(8px);
    }

    #gh-navigation .gh-button {
        width: 100%;
        font-size: 1.8rem;
        text-transform: none;
    }

    #gh-navigation a[data-portal="signin"] {
        font-size: 2rem;
    }

    #gh-main {
        transition: opacity 0.4s;
    }

    .is-navigation-open#gh-navigation {
        position: fixed;
        inset: 0;
        z-index: 3999999;
        height: 100%;
        overflow-y: scroll;
        -webkit-overflow-scrolling: touch;
    }

    .is-navigation-open#gh-navigation .gh-navigation-menu,
    .is-navigation-open#gh-navigation .gh-navigation-actions {
        position: static;
        visibility: visible;
        opacity: 1;
    }

    .is-navigation-open#gh-navigation .nav {
        display: flex;
        flex-direction: column;
    }

    .is-navigation-open#gh-navigation .nav li {
        opacity: 1;
        transition: transform 0.2s, opacity 0.2s;
        transform: translateY(0);
    }

    .is-navigation-open#gh-navigation .gh-navigation-actions {
        position: sticky;
        right: 0;
        bottom: 0;
        left: 0;
        display: inline-flex;
        flex-direction: column;
        gap: 12px;
        align-items: center;
        padding: var(--gap) 0 calc(var(--gap) + 8px);
        background-color: var(--color-white);
    }

    .is-navigation-open#gh-navigation :is(.gh-button, a[data-portal="signin"]) {
        opacity: 1;
        transition: transform 0.4s, opacity 0.4s;
        transition-delay: 0.2s;
        transform: translateY(0);
    }

    .is-navigation-open#gh-navigation a[data-portal="signin"] {
        transition-delay: 0.4s;
    }

    .is-navigation-open#gh-main {
        opacity: 0;
    }
}

/* Card */

.gh-card-link:hover {
    opacity: 1;
}

.gh-card-image {
    position: relative;
    aspect-ratio: 16 / 9;
}

.gh-card-image img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 6. Header */

.gh-header {
    --gap: 40px;
}

/* 6.1. Magazine layout */

.gh-header.is-magazine .gh-header-inner {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: var(--gap);
}

.gh-header.is-magazine .gh-header-inner > div {
    display: flex;
    flex-direction: column;
    gap: var(--gap);
    grid-row: 1;
}

.gh-header.is-magazine .gh-header-left {
    grid-column: 1;
}

.gh-header.is-magazine .gh-header-inner > .gh-card {
    grid-column: 2;
}

.gh-header.is-magazine .gh-header-right {
    grid-column: 3;
}

.gh-header.is-magazine .gh-header-inner > div .gh-card-excerpt {
    display: none;
}

/* 6.2. Highlight layout */

.gh-header.is-highlight .gh-header-inner {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: var(--gap);
}

.gh-header.is-highlight .gh-card:first-child {
    grid-row: span 3;
}

.gh-header.is-highlight .gh-card:not(:first-child) .gh-card-excerpt {
    display: none;
}

/* 7. Container */

.gh-container:not(.has-sidebar) .gh-container-inner {
    display: grid;
    grid-template-columns: repeat(16, 1fr);
}

.gh-container:not(.has-sidebar) .gh-container-inner .gh-main {
    grid-column: 3 / span 12;
}

/* 8. Post list */

/* 8.1. List style */

.gh-container.is-list .gh-card-link {
    display: flex;
}

.gh-container.is-list .gh-card-image {
    flex-shrink: 0;
    width: 240px;
}

/* 8.2. Grid style */

.gh-container.is-grid .gh-feed {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}