:root {
    /* --logo-light-orange: #ffab1a;
    --logo-orange: #ff7518;
    --logo-red: #e23829;
    --logo-gray: #3b4e6c; */

    --primary-color-1: #3b4e6c;
    --primary-color-2: #ffab1a;
    --secondary-color-1: #3b4e6c;
    --secondary-color-2: #3b4e6c;
    --accent-color-1: #ff7518;
    --accent-color-2: hsl(24, 100%, 50%);

    --primary-font: 'Lexend', sans-serif;
    --secondary-font: 'Lexend', sans-serif;
    --font-size-1: 1rem;
    --font-size-2: 1.5rem;
    --font-size-3: 2rem;
    --text-color: #e5e5e5;

    --section-odd-background-color: #000;
    --section-even-background-color: #000;
    --section-padding: 1.4rem;
    --section-space-padding: 2rem;

    --hero-section-height: calc(100vh - 70px);

    --card-border-radius: 0 0 5px 5px;
    --card-background-color: hsl(from var(--section-even-background-color) h s calc(l + 12));
    --card-div-padding: calc((5 / 16) * 1rem) calc((10 / 16) * 1rem);
    --card-page-link-color: #ff7518;
    --card-page-link-hover-color: hsl(from var(--accent-color-1) h s calc(l - 20));
    --card-page-link-transition: all 0.3s ease-in-out;
    /*--cards-container-scrollbar-color: #3a317a;*/
    --cards-container-scrollbar-color: var(--accent-color-1);
    --cards-container-scrollbar-width: 0.5rem;
    /* --cards-container-scrollbar-color: linear-gradient(to right, hsl(from var(--accent-color-1) calc(h + 5) s calc(l - 20)), hsl(from var(--section-even-background-color) calc(h - 5) s calc(l + 10)));
    --cards-container-scrollbar-width: calc((6 / 16) * 1rem);*/

    --call-to-action-padding: 10px 20px;
    --call-to-action-background-color: #ff7518;
    --call-to-action-color: var(--section-even-background-color);
    --call-to-action-border-radius: 9999px;
    --call-to-action-border: 2px solid var(--accent-color-2);
    --call-to-action-transition: all 0.3s ease-in-out;
    --call-to-action-hover-background-color: #0c0a1a;
    --call-to-action-hover-color: #ff7518;

    --nav-background-color: hsl(from var(--section-even-background-color) h s calc(l + 20));
    --nav-sidebar-cut-width: 1170px;

    --footer-background-color: #16122f;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--primary-font);
    color: #e5e5e5;
}

* {
  font-family: "Lexend", sans-serif;
  font-optical-sizing: auto;
  font-weight: 350;
  font-style: normal;
  font-variation-settings:
    "wdth" 100;
  font-size: 1.1rem;
}

h1 {
    font-family: var(--primary-font);
    font-size: 2.5rem;
    font-weight: 600;
}

h2 {
    font-family: var(--primary-font);
    font-size: 1.5rem;
    font-weight: 500;
}

header {
    position: sticky;
    top: 0;
    z-index: 999;
}

section {
    background-color: var(--section-even-background-color);
    width: 100%;
    padding: var(--section-padding);
    padding-top: var(--section-space-padding);
}

section:nth-of-type(odd) {
    background-color: var(--section-odd-background-color);
}

section > .section-header {
    text-align: center;
}

section > .section-header > h2 {
    font-size: 2rem;
}

section > .section-header > p {
    margin: 0.25rem 0;
    font-weight: 300;
    font-size: 1rem;
}

.hero-section-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100svh;   /* stable height */
    background-image: url("hero_image.jpg");
    filter: brightness(60%);
    background-size: cover;
    background-position: center;
    z-index: -1;
}

section.hero-section {
    height: calc(100vh - 70px);
    height: calc(100svh - 70px);
    position: relative;
    text-align: center;
    background-color: transparent;
    background-image: none;
    background-position: center center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.hero-section > div {
    width: 100%;
}

.hero-section > div > p {
    padding: 1.3rem;
}

.hero-section > div > .credits {
    position: absolute;
    bottom: 0;
    right: 0;
    padding: 0.8rem;
    font-style: italic;
    font-size: 0.8rem;
}
.hero-background-wrapper {
    background-image: url("hero_image.jpg");
    background-position: center center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-size: cover;
}


.about-section {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-around;
    align-items: center;
    position: relative;
    container-type: inline-size;
    container-name: about-section;
    gap: 1rem;
}

.about-section > div {
    flex: 1 1 400px;
    max-width: unset;
}

.about-section .call-to-action {
    margin: auto;
}

.about-section > .section-header {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: flex-start;
    gap: 2rem;
    height: -webkit-fill-available;
    height: -moz-available;
    text-align: left;
}

.about-section > .section-header > div {
    margin: 0.25rem 0;
    font-weight: 300;
    font-size: 1rem;
    > ul {
        margin-top: 1em;
        padding-left: 3em;
        font-size: inherit;
        font-weight: inherit;
        > li {
            font-size: inherit;
            font-weight: inherit;
        }
    }
}

/* .about-section > .card-img-container {
    height: 100%;
    object-fit: unset;
    width: 40%;
} */

@container about-section (max-width: 800px) {
    .section-header > h2 {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        text-align: center;
        height: 5rem;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-top: var(--section-space-padding);
    }
    .about-section > .section-header {
        align-items: center;
        text-align: left;
    }
    .card-img-container {
        margin-top: 5rem;
    }
}

.cards-container {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 2rem;
    /*padding: min(2%, 1.5rem);*/
    padding: 1rem 0;
}

.cards-container::-webkit-scrollbar {
    height: var(--cards-container-scrollbar-width);
}

.cards-container::-webkit-scrollbar-track{
    background: var(--section-even-background-color);
    border-radius: 9999px;
}

.cards-container::-webkit-scrollbar-thumb {
    background: var(--cards-container-scrollbar-color);
    border-radius: 9999px;
}

@supports not selector(::-webkit-scrollbar) {
    .cards-container {
        scrollbar-color: var(--cards-container-scrollbar-color) var(--section-even-background-color);
        scrollbar-width: thin;
    }
}

.card {
    /*background-color: var(--card-background-color);*/
    width: min(90%, 350px);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    border-radius: var(--card-border-radius);
    overflow: hidden;
    position: relative;
}

.card > div {
    padding: var(--card-div-padding);
}

.card > .card-img-container {
    /* height: calc(100% * (9 / 16)); */
    aspect-ratio: 16 / 9;
    width: 100%;
    padding: 0 0;
    position: relative;
}

.card-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-title-date-container {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.card-title-date-container > div {
    font-weight: bold;
    position: absolute;
    top: 0;
    right: 0;
    padding: calc((5 / 16) * 1rem) calc((10 / 16) * 1rem);
    display: flex;
    flex-direction: column;
    font-family: monospace;
}

.card-title-date-container > div > :first-child {
    font-size: 2rem;
    line-height: 1.5rem;
    /* transform: scaleY(0.8); */
    color: var(--accent-color-1);
    text-align: center;
}

.card-title-date-container > div > :last-child {
    font-size: 1rem;
    line-height: 0.6rem;
    /* transform: scaleY(0.7); */
    padding-left: calc(1rem / 16);
    color: var(--accent-color-1);
    margin-top: 5px;
}

.card-details-container {
    display: flex;
    flex-direction: column;
    background: var(--card-background-color);
    position: relative;
}

.calendar-section .card-details-container {
    display: flex;
    flex-direction: column;
    position: absolute;
    background: var(--card-background-color);
    bottom: 0;
}

.card-details-container > .heading {
    font-weight: bold;
    font-size: 1.7rem;
    position: absolute;
    top: 0;
    left: 0;
    transform: translateY(calc(-100%));
    padding: var(--card-div-padding);
}

.card-details-container:has(.data-time) > .heading {
    transform: translateY(calc(-100% - 1rem));
}

.card-details-container > .data-time {
    position: absolute;
    top: -3px;
    transform: translateY(-100%);
    /*padding: var(--card-div-padding);*/
    font-size: 0.8rem;
    backdrop-filter: blur(20px);
}

.calendar-section .card-details-container > .speaker {
    font-weight: 500;
}

.calendar-section .card-details-container > .description {  
   overflow: hidden;
   height: 2.4rem;
   line-height: 1.2rem;
   transition: 0.7s all ease-in-out;
   font-size: 0.95rem;
   margin-top: 5px;
}

.calendar-section .card-hover:hover > .card-details-container, .calendar-section .card-click > .card-details-container {
    transform: translateY(0);
    position: absolute;
}

.calendar-section .card-hover:hover > .card-details-container > .description, .calendar-section .card-click > .card-details-container > .description {
    height: calc(min(90vw, 300px) * (0.6));
}

.card-page-link {
    color: var(--card-page-link-color);
    transition: var(--card-page-link-transition);
    width: fit-content;
}

.card-page-link:hover {
    color: var(--card-page-link-hover-color);
}

.calendar-section > .cards-container > .card > .card-img-container {
    /* height: calc(100% * (4 / 3)); */
    aspect-ratio: 3 / 4;
    width: 100%;
    padding: 0 0;
    position: relative;
}

.featured-events-section > .cards-container {
    align-items: stretch; /* Ensures all cards stretch to match the tallest one */
}

.featured-events-section > .cards-container > .card {
    width: min(90%, 450px);
    display: flex;
    flex-direction: column;
}

.featured-events-section > .cards-container > .card > .card-img-container {
    filter: brightness(80%);
    aspect-ratio: 16 / 11; /* Guarantees all images maintain the exact same height and proportion */
    width: 100%;
    flex-shrink: 0; /* Prevents the image from being squished */
    > img {
        aspect-ratio: 16 / 11;
    }
}

.featured-events-section > .cards-container > .card > .card-details-container {
    flex-grow: 1; /* Makes the details section stretch to fill the remaining card height */
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

/* Pushes the "Know More" link to the very bottom of the card for a uniform look */
.featured-events-section > .cards-container > .card > .card-details-container > .card-page-link {
    margin-top: auto;
}

.gallery-section > .images-container {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    padding: 1rem 0;
}

.gallery-section > .images-container > div {
    flex: 1 1 250px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 2fr 1fr;
    max-width: 600px;
    gap: 1rem;
}

.gallery-section > .images-container > div:last-child {
    grid-template-rows: 1fr 2fr;
}

/*.gallery-section > .images-container > div > .image {
    aspect-ratio: 1 / 1;
}*/

.gallery-section > .images-container > div > .image > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 5px;
    aspect-ratio: 1 / 1;
}

.gallery-section > .images-container > div:first-child > .image:first-child, .gallery-section > .images-container > div:last-child > .image:last-child {
    grid-column: span 2;
}

.projects-section {
    text-align: center;
}

.projects-section > .projects-container {
    padding: 2.5rem 0;
    display: flex;
    flex-direction: column;
    gap: 4rem;
    width: max(96%, 1rem);
    margin: 0 auto;
}

.projects-section > .projects-container > .project {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    align-content: center;
    align-items: center;
    position: relative;
    container-type: inline-size;
    container-name: project;
}

.projects-section > .projects-container > .project:nth-child(2n) {
    flex-direction: row-reverse;
}

.projects-section > .projects-container > .project > div {
    flex: 1 1 400px;
    text-align: center;
}

.projects-section > .projects-container > .project > .project-image-container {
    text-align: left;
}

.projects-section > .projects-container > .project:nth-child(2n) > .project-image-container {
    text-align: right;
}

.projects-section > .projects-container > .project > .project-image-container > img {
    max-width: 700px;
}

.projects-section > .projects-container > .project > .project-details {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    gap: 1rem;
    height: -webkit-fill-available;
    height: -moz-available;
    text-align: left;
    padding: 1rem 1rem;
}

.projects-section > .projects-container > .project > .project-details > .project-title {
    font-size: 1.6rem;
    font-weight: 500;
}

.projects-section > .projects-container > .project > .project-details > .project-page-link {
    align-self: flex-end;
}

.projects-section > .projects-container > .project > .project-image-container img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    max-height: 500px;
}

@container project (max-width: 800px) {
    & {
        gap: 1rem;
    }
    .project-details > .project-title {
        position: absolute;
        top: -10px;
        left: 0;
        width: 100%;
        text-align: center;
        height: 3rem;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-top: 0;
    }
    .project-details {
        align-items: center;
    }
    .project-image-container {
        margin-top: 3rem;
        text-align: center!important;
    }
}

.youtube-section > .youtube-card {
    width: 100%;
    text-align: center;
    padding: 0 20px; /* Optional: adds a little breathing room on mobile */
}

.youtube-section > .youtube-card > iframe {
    /* 1. Dynamic Width Logic */
    width: 97.5%; 
    max-width: 1000px;
    
    /* 2. Aspect Ratio Maintenance */
    aspect-ratio: 16 / 9; 
    
    /* 3. Cleanup */
    height: auto; /* Overrides the inline height="400px" */
    border: none;
}

section > div:has(.call-to-action) {
    text-align: center;
    padding: 1rem;
}

.call-to-action {
    text-decoration: none;
    display: inline-block;
    padding: var(--call-to-action-padding);
    border: var(--call-to-action-border);
    border-radius: var(--call-to-action-border-radius);
    background-color: var(--call-to-action-background-color);
    text-align: center;
    color: var(--call-to-action-color);
    transition: var(--call-to-action-transition);
}

.call-to-action:hover {
    background-color: var(--call-to-action-hover-background-color);
    color: var(--call-to-action-hover-color);
}

footer > div {
    background-color: var(--footer-background-color);
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    font-size: 0.9rem;
    font-weight: 350;
    gap: 2rem;
    padding: var(--section-padding);
}

footer > div .footer-title {
    font-size: 1.5rem;
    font-weight: 900;
    padding: 1rem 0 2rem 0;
}

footer > div a {
    cursor: pointer;
    text-decoration: none;
}

footer > div * {
    font-size: inherit;
    font-weight: inherit;
}

footer > div > div {
    flex: 1 1 500px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    align-items: center;
    justify-items: center;
    gap: 2rem;
}

footer > div > div:nth-child(2) {
    display: flex;
    justify-content: space-between;
}

footer > div > div > div {
    width: 100%;
    height: 100%;
}

footer > div .footer-heading {
    font-size: 1.1rem;
    font-weight: 450;
}

footer > div > div > :first-child > .social-media-handles .footer-heading {
    flex: 1 0 100%;
}

footer > div > div > :first-child {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

footer > div > div > :first-child > .social-media-handles {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-start;
    gap: 1rem;
    container-name: social-media-handles-container;
    container-type: inline-size;
}

footer > div > div > :first-child > .social-media-handles > a > i {
    width: 30px;
    height: 30px;
    display: inline-block;
    > span {
        display: block;
    }
}

footer > div > div > :first-child > .social-media-handles > a > i > img {
    width: 100%;
    height: 100%;
    object-fit: fill;
    border-radius: 50%;
}

@container social-media-handles-container (max-width: 500px) {
    a > span {
        display: none !important;
    }
    a > i {
        width: 40px !important;
        height: 40px !important;
    }
}

footer > div > div > .quick-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    container-type: inline-size;
    container-name: quick-links-container;
}

footer > div > div > .quick-links > :first-child {
    grid-column: 1 / -1;
    padding: 0.5rem 0;
}

footer > div > div > .quick-links > a {
    padding: 0.5rem 0;
    display: flex;
    gap: 5px;
}

footer > div > div > .quick-links > a > i {
    width: 20px;
    height: 20px;
    display: inline-block;
    vertical-align: middle;
}

footer > div > div > .quick-links > a > i > svg {
    width: 100%;
    height: 100%;
    object-fit: fill;
    fill: white;
}

footer > div > div > .quick-links > a > i > img {
    width: 100%;
    height: 100%;
    object-fit: fill;
    display: none;
}

@container quick-links-container (max-width: 100px) {
    .quick-links {
        grid-template-columns: 1fr;
    }
}

footer > div > div > .contact-us {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    justify-content: space-evenly;
    align-items: flex-start;
    gap: 0.8rem;
    width: revert;
}

footer > div > div > .contact-us > a {
    display: flex;
    gap: 0.35rem;
    align-items: center;
}

footer > div > div > .contact-us > a > i {
    flex: 1 0 20px;
    width: 20px;
    height: 20px;
    display: inline-block;
    vertical-align: middle;
}

footer > div > div > .contact-us > a > i > svg {
    width: 100%;
    height: 100%;
    object-fit: fill;
    fill: white;
}

footer > div > div > .footer-img {
    max-width: 120px;
}

footer > div > div > .footer-img > img {
    height: 100%;
    width: 100%;
    object-fit: contain;
    transform: scaleX(-1);
}

footer > .copyrights {
    padding: 1rem;
    text-align: center;
    flex: 1 1 100%;
    display: block;
    font-size: 0.9rem;
    font-weight: 400;
    background: black;
}