* {
    box-sizing: border-box;
}

/* Header */

.header-container {
    width: 100%;
    height: 15vh;
    min-height: 80px;
    position: fixed;
    left: 0px;
    top: 0px;
    z-index: 500;
    padding: 0 5vw;
    opacity: 60%;
    background-color: var(--color-accent-main);
    color: var(--color-text-main);
    font-family: var(--font-family-main);
    font-size: var(--font-size-standard);
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

.header-icon {
    max-height: 10vh;
    min-height: 50px;
    width: auto;
    margin: 0;
    padding: 0;
}

.header-icon img {
    max-height: 10vh;
    min-height:50px;
    width: auto;
}

.header-links-container {
    display: flex;
    height: 100%;
    width: auto;
    align-items: center;
}

.header-links-list {
    display: flex;
    flex-direction: row;
    gap: 2vw;
    list-style: none;
}

.header-link {
    display: inline-block;
    height: 100%;
}

.header-link a {
    text-decoration: none;
    color: var(--color-text-main);
    font-family: var(--font-family-main);
    font-size: var(--font-size-standard);
    display: inline-block;
    transform-origin: center;
    align-items: center;
}

.header-link a:hover {
    transform: scale(1.1);
}

.hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--color-text-main);
    cursor: pointer;
}

/* Move links to drop down menu for smaller screens. */
@media (max-width: 700px) {
    .header-container {
        opacity: 90%;
    }

    .hamburger {
        display: block;
        background: none;
        border: none;
        font-size: 2rem;
        color: var(--color-text-main);
        cursor: pointer;
    }

    .header-links-container {
        position: absolute;
        top: max(80px, 10vh);
        right: 2vw;
        background-color: var(--color-accent-main);
        display: flex;
        flex-direction: column;
        gap: 1rem;
        padding: 1rem 0;
        align-items: center;
        border-radius: 10px;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);

        opacity: 0;
        max-height: 0;
        overflow: hidden;
        pointer-events: none;
        transition:
            opacity 0.3s ease,
            max-height 0.4s ease,
            transform 0.3s ease;
    }

    .header-links-container.show {
        opacity: 100%;
        height: auto;
        max-height: 80vh;
        min-width: 150px;
        width: auto;
        pointer-events: auto;
        align-items: center;
    }

    .header-links-list {
        flex-direction: column;
        gap: 2rem;
        width: auto;
        align-items: center;
        justify-content: center;
        padding: 0.5rem 1rem;
    }

    .header-link {
        display: block;
        margin: 0;
    }

    .header-link a {
        display: inline-block;
        text-align: center;
    }
}

@media (prefers-color-scheme: dark) {
    .dark-image {
        display: block;
    }
    .light-image {
        display: none;
    }
}

@media (prefers-color-scheme: light) {
    .dark-image {
        display: none;
    }
    .light-image {
        display: block;
    }
}

/* Footer */

.footer-container {
    width: 100%;
    height: auto;
    align-self: stretch;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-evenly;
    background-color: var(--color-accent-main);
}

.footer-main-container {
    background-color: var(--color-accent-main);
    opacity: 1;
    width: 100%;
    max-width: 1200px;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 10vw;
    padding: 1rem 5vw;
}

.footer-links-container {
    display: flex;
    width: 300px;
    justify-content: right;
    padding: 0 5rem;
}

.footer-links-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    list-style: none;
    padding: 0;
    align-items: center;
}

.footer-link {
    display: inline-block;
}

.footer-link a {
    text-decoration: none;
    color: var(--color-text-secondary);
    font-family: var(--font-family-main);
    font-size: var(--font-size-standard);
    display: inline-block;
    transform-origin: center;
    align-items: center;
}

.footer-link a:hover {
    transform: scale(1.1);
}

.footer-search-container {
    width: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem 0;
}

.footer-search-form {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
}

.footer-search-input {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border-main);
    border-radius: 5px;
    font-size: 1rem;
    color: var(--color-text-main);
    background-color: var(--color-background-main);
}

.footer-search-input::placeholder {
    color: var(--color-text-main);
}

.footer-search-button {
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-border-main);
    border-radius: 5px;
    background-color: var(--color-accent-main);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: transform 0.2s;
}

.footer-search-button:hover {
    transform: scale(1.1);
}

.footer-name-bar {
    background-color: white;
    width: 100%;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-name, .footer-year {
    color: black;
    font-size: 14px;
}

@media (max-width: 700px) {
    .footer-container {
        width: 100vw;
        max-width: 100%;
    }

    .footer-main-container {
        width: 300px;
        padding: 1rem 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
    }
    
    .footer-links-container {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 300px;
    }

    .footer-links-list {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 0;
    }

    .footer-search-form {
        align-items: center;
    }

    .footer-search-container {
        width: 300px;
    }
}

/* Sidebar */

.sidebar-wrapper {
    position: fixed;
    top: max(15vh, 80px);
    left: 0;
    z-index: 500;
    width: 250px;
    max-height: 85vh;
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.sidebar-wrapper::-webkit-scrollbar {
    display: none;
}

.sidebar-container {
    background-color: var(--color-accent-main);
    opacity: 60%;
    padding: 1rem;
    width: 100%;
    box-sizing: border-box;
    display: inline-block;
}

.sidebar-heading {
    position: relative;
}

.sidebar-heading::after {
    content: "";
    position: absolute;
    left: 10%;
    top: 110%;
    height: 2px;
    width: 110%;
    background-color: var(--color-border-main);
    border-radius: 4px;
}

.sidebar-keywords-container #keyword-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0 0 10vh 0;
}

#keyword-cloud .keyword {
    cursor: pointer;
    color: var(--color-text-main);
    font-family: var(--font-family-main);
    transition: animation 0.1s;
}

#keyword-cloud .keyword:hover {
    animation: wobble 0.5s ease-in-out;
}

@keyframes wobble {
    0% { transform: scale(1) rotate(0deg) translateX(0); }
    25% { transform: scale(1.1) rotate(-10deg) translateX(-10px); }
    50% { transform: scale(1.1) rotate(10deg) translateX(10px); }
    75% { transform: scale(1.1) rotate(-5deg) translateX(-5px); }
    100% { transform: scale(1.1) rotate(5deg) translateX(5px); }
}

.sidebar-blogs-container .year > .months,
.sidebar-blogs-container .month > ul {
    display: none;
}

.sidebar-blogs-container .year.open > .months,
.sidebar-blogs-container .month.open > ul {
    display: block;
}

.sidebar-blogs-container h4,
.sidebar-blogs-container h5 {
    cursor: pointer;
    margin: 0.5rem 0;
    text-decoration: none;
    font-family: var(--font-family-main);
    color: var(--color-text-main);
    display: inline-block;
}

.sidebar-blogs-container ul {
    list-style: none;
    margin: 0;
    padding-left: 1rem;
}

.sidebar-blogs-container a {
    text-decoration: none;
    display: inline-block;
    padding-left: 0.5em;
    text-indent: -0.5em;
}

@media (max-width: 700px) {
    .sidebar-wrapper {
        position: static;
        width: 100vw;
        max-width: 100%;
        height: auto;
        margin: 0;
        padding: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        background-color: var(--color-border-main);
        opacity: 90%;
    }

    .sidebar-container {
        background-color: var(--color-border-main);
        opacity: 90%;
        width: 300px;
        box-sizing: border-box;
        display: inline-block;
        margin-bottom: 2rem;
    }

    .sidebar-heading::after {
        background-color: var(--color-accent-main);
    }
}

/* Blog cards */

.blog-card-container {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding: 0.25rem 0.5rem;
    flex: 0 0 300px;
    height: 300px;
    margin: 0 -100px 0 0;
    transition: margin 0.3s, z-index 0.3s, animation 0.3s ease-in-out;
    border: 1px solid var(--color-border-main);
    border-radius: 10px;
    background: linear-gradient(to right, var(--color-background-secondary), var(--color-background-tertiary));
}

.blog-card-container:hover {
    margin: 0 10px;
    z-index: 10;
    animation: tilt 0.3s ease-in-out forwards;
}

@keyframes tilt {
    0% { transform: rotate(0deg) scale(1.05); }
    50% { transform: rotate(5deg) scale(1.1); }
    100% { transform: rotate(10deg) scale(1.15); }
}

.blog-card-title {
    text-align: center;
    color: var(--color-text-main);
    width: 240px;
    height: 40px;
}

.blog-card-date {
    text-align: center;
    color: var(--color-text-secondary);
    width: 240px;
    height: 20px;
}

.blog-card-image {
    width: 180px;
    height: 120px;
    object-fit: cover;
}

.blog-card-link {
    text-decoration: none;
    color: var(--color-text-main);
    text-align: center;
    border: 1px solid var(--color-border-main);
    border-radius: 6px;
    padding: 0.25rem 0.5rem;
    width: 150px;
    height: 30px;
    background-color: var(--color-background-main);
    transform-origin: center;
    transition: transform 0.2s ease-in-out;
}

.blog-card-link:hover {
    transform: scale(1.1);
}