styles.css

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap');

@font-face {
    font-family: "Baumans";
    src: url(fonts/Baumans-Regular.ttf);
}

@font-face {
    font-family: "Oozing";
    src: url(fonts/oozing.ttf);
}

@font-face {
    font-family: "Consola Mono";
    src: url(fonts/ConsolaMono-Book.ttf);
}

:root {
    --sidebar-width: 200px;
    --primary-gradient: linear-gradient(#213BA0, #1E2334);
}

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

body {
    font-family: "Consola Mono", sans-serif;
    background-image: var(--primary-gradient);
    color: #FFFF;
    overflow-x: hidden;
}

button {
    cursor: pointer;
}

/* Navigation Toggle Button */
.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5em;
    position: fixed;
    left: 1em;
    top: 1em;
    z-index: 1000;
}

.hamburger {
    display: block;
    position: relative;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    background: #FFF;
    width: 2em;
    height: 3px;
    border-radius: 1em;
    transition: transform 250ms ease-in-out;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
}

.hamburger::before { top: 6px; }
.hamburger::after { bottom: 6px; }

/* Animation for open state */
.nav-toggle.nav-open .hamburger {
    transform: rotate(45deg);
}

.nav-toggle.nav-open .hamburger::before {
    transform: translateY(-6px) rotate(-90deg);
}

.nav-toggle.nav-open .hamburger::after {
    transform: translateY(6px) rotate(-90deg);
}

/* Sidebar */
.sidebar {
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    border-right: 2px solid #FFFF;
    padding: 1rem;
    background-image: var(--primary-gradient);
    height: 100vh;
    width: var(--sidebar-width);
    text-align: center;
    gap: 1.5rem;
    transition: transform 0.3s ease-in-out;
}

.sidebar__logo {
    margin-top: 25px;
    width: 145px;
    height: 50px;
}

.sidebar__link-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex-grow: 1;
    text-align: left;
    padding-left: 0.625rem;
}

.sidebar__links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sidebar__links a {
    color: white;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.sidebar__links a:hover {
    opacity: 0.8;
}

/* Main Content */
.main-page {
    margin-left: var(--sidebar-width);
    padding: 4.75rem 3.25rem;
    display: flex;
    flex-direction: column;
    gap: 6.25rem;
}

/* Title Section */
.main-title {
    display: flex;
    flex-direction: column;
    gap: 3.125rem;
}

.main-title__info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    text-align: center;
}

.main-title__heading {
    font-family: "Baumans", serif;
    font-size: 2.5rem;
    max-width: 80%;
}

.main-title__event {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.main-title__date {
    font-weight: lighter;
}

.main-title__actions {
    display: flex;
    gap: 1.25rem;
    justify-content: center;
}

/* Buttons */
.btn {
    padding: 10px 1rem;
    width: 10rem;
    height: 3.5rem;
    font-family: "Consola Mono";
    transition: opacity 0.2s ease;
}

.btn:hover {
    opacity: 0.9;
}

.btn--primary {
    background-color: #FFFF;
    border: none;
    color: #000000;
}

.btn--secondary {
    border: 4px dashed #FFFFFF1A;
    background-color: transparent;
    color: #FFFFFF;
}

/* Who We Are Section */
.who-we-are {
    max-width: 1200px;
    margin: 0 auto;
}

.who-we-are__table {
    border: 4px dashed #FFFFFF1A;
    padding: 20px;
    text-align: left;
    width: 100%;
}

.who-we-are_text {
    line-height: 1.5rem;
}

/* About Section */
.about {
    max-width: 1200px;
    margin: 0 auto;
}

.about__main {
    display: flex;
    flex-direction: column;
    gap: 6.25rem;
}

.about__header {
    display: flex;
    flex-direction: column;
    gap: 3.125rem;
}

.about__cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.about__card {
    border: 4px dashed #FFFFFF1A;
    padding: 2.25rem;
    line-height: 1.75rem;
}

.about__theme {
    border: 4px dashed #FFFFFF1A;
    padding: 20px;
    text-align: center;
}

.about__theme-title {
    font-size: 2.188rem;
    margin-bottom: 2rem;
}

.about__theme-description {
    font-size: 1.125rem;
    margin: 2rem;
    line-height: 1.6;
}

/* CURRICULUM */
.curriculum {
    display: block;
    max-width: 1200px;
    margin: 1rem auto;
}

/* Course Tabs */
  
[data-tab-content] { display: none; }
  
.active[data-tab-content] { display: block; }
  
.curriculum_tab {
    cursor: pointer;
    padding: 10px;
    border: 1px solid #FFFFFF1A;
    color: #FFFFFF99;
    font-weight: lighter;
}
  
.curriculum_tab.active {
    background-color: #FFFFFF1A;
    color: #FFFFFF;
}
  
.curriculum_tab-content {
    padding: 40px;
    min-height: 270px;
    text-align: justify;
    border: 4px dashed #FFFFFF1A;
    border-width: thick;
}
  
/* Prize List */
.curriculum-prizes {
    margin-bottom: 2rem;
}
  
.curriculum__prizes-description {
    width: 28rem;
    text-align: center;
    margin: auto;
    font-size: 16px;
    padding-top: 80px;
    line-height: 1.8rem;
    padding-bottom: 50px;
}
  
.curriculum__prizes-top3 {
    display: flex;
    justify-content: center;
}
  
.curriculum__prize-box {
    border: 4px dashed #FFFFFF1A;
    border-width: thick;
    margin: 3px;
    width: 210px;
    height: 90px;
    align-content: center;
    text-align: center;
}

/* Calendar */
.curriculum-calendar {
    display: grid;
    max-width: 56em;
    margin: 6rem auto;
    
    grid-template-columns: 4em 4em 8em 8em 8em 8em 8em 4em 4em;
    grid-template-rows: 2.5em 1.5em 1.5em 8em;
}
  
#month {
    grid-column: 2 / 9;
    grid-row: 1 / 2;
}
  
#sunday { grid-column: 1 / 3; }
  
#saturday { grid-column: 8 / 10; }
  
#calendar_presentation { font-size: 16px; }
  
.cur_calendar-cell {
    border: 1px solid #FFFFFF1A;
    align-content: center;
    text-align: center;
    font-weight: lighter;
}
  
.cur_calendar-title { background-color: #FFFFFF1A; }
  
.cur_calendar-next, .cur_calendar-previous {
    color: #FFFFFF;
    cursor: pointer;
}
  
.cur_null-calendar {
    color: #FFFFFF1A;
    cursor: default;
  }
  
  .cur_calendar_workshop {
    background-color: #00FF2F;
    color: #000000;
}
  
.cur_calendar_date-marks { background-color: #213CA6; }
  
.cur_calendar_webinar {
    background-color: #F6FF00;
    color: #000000;
}
  
/** Events Table **/
.curriculum-events-table {
    margin: 6rem auto;
}
  
.curriculum_table {
    border-collapse: collapse;
}
  
.cur_table-header {
    padding-bottom: 24px;
    text-align: left;
}
  
.cur_table-rows {
    border-bottom: 1px solid #FFFFFF66;
}
  
.cur_table-cell {
    padding: 24px 20px 24px 0;
    font-size: 17px;
}


/* Registration Section */
.registration .task {
    font-size: 17px;
    margin-bottom: 20px;
    color: gray;
    transition: color 0.3s ease-in-out;
}

.registration h2 {
    margin-bottom: 50px;
}

.registration .checkbox {
    margin-right: 20px;
    cursor: pointer;
}

.registration .checkbox.checked {
    font-size: 23px;
}

.registration .task.active {
    color: white;
}

/* Media Queries */
@media screen and (max-width: 1024px) {
    .about__cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

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

    .sidebar.nav-open {
        transform: translateX(0);
    }

    .main-page {
        margin-left: 0;
        padding: 2rem;
    }

    .main-title__heading {
        font-size: 2rem;
    }

    .main-title__event {
        flex-direction: column;
    }

    .main-title__actions {
        flex-direction: column;
        align-items: center;
    }

    .about__cards {
        grid-template-columns: 1fr;
    }

    .about__theme-title {
        font-size: 1.8rem;
    }
}

@media screen and (max-width: 480px) {
    .main-title__heading {
        font-size: 1.5rem;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }
}

/* Course Tabs */
@media screen and (max-width: 768px) {
    .curriculum .curriculum-course-tabs {
        width: 100%;
        overflow-x: auto;
    }
    
    .curriculum .curriculum-course-tabs table {
        min-width: 600px;
        width: 100%;
    }
    
    .curriculum .curriculum_tab-content {
        width: 100%;
        overflow-x: auto;
    }
}

/* Prize List */
@media screen and (max-width: 768px) {
    .curriculum .curriculum__prizes-description {
        width: 100%;
        padding: 40px 20px;
    }
    
    .curriculum .curriculum__prizes-top3 {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .curriculum .curriculum__prize-box {
        width: 100%;
        max-width: 300px;
        margin: 0;
    }
}

/* Calendar */
@media screen and (max-width: 768px) {
    .curriculum .curriculum-calendar {
        width: 100%;
        overflow-x: auto;
        display: grid;
        grid-template-columns: repeat(9, minmax(80px, 1fr));
        -webkit-overflow-scrolling: touch;
    }
}

/* Events Table */
@media screen and (max-width: 768px) {
    .curriculum .curriculum-events-table {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .curriculum .curriculum_table {
        min-width: 800px;
    }
    
    .curriculum .cur_table-cell {
        white-space: normal;
        padding: 24px 10px 24px 0;
    }
}

/* Curriculum Base */
@media screen and (max-width: 768px) {
    .curriculum {
        width: 100%;
        padding: 0 1rem;
        overflow-x: hidden;
    }
    
    .curriculum > * {
        max-width: 100%;
    }
}

body.nav-open {
    overflow: hidden;
}

/* Background images */
.background-img-1 {
    position: absolute;
    z-index: -1;
    right: -10rem;
    top: -10rem;
    opacity: 25%;
    transform: scaleY(-1);
}

.background-img-2 {
    position: absolute;
    z-index: -1;
    top: 100%;
}

.background-img-3 {
    position: absolute;
    z-index: -1;
    top: 325%;
}

/* FAQs Section Container */
.faqs {
    max-width: 1200px;
    margin: 0 auto;  
    padding: 0;      
}

/* FAQs Title */
.accordionTitle {
    font-size: 24px;
    padding: 0;
    margin-bottom: 2rem;
}

/* FAQs Divider */
hr {
    height: 0.5px;
    color: antiquewhite;
    background: rgb(226, 224, 224);
    font-size: 0;
    border: 0;
    width: 100%;
}

/* Accordion Container */
.accordion {
    width: 100%;
    padding: 0;
    padding-top: 10px;
}

.accordionItem {   
    color: white;
    margin: 1rem 0;
    border-radius: 0.5rem;
}

.accordionHeader {
    padding: 0.5rem 3rem 0.5rem 2.5rem;
    min-height: 3.5rem;
    line-height: 1.25rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    position: relative;
    cursor: pointer;
}

.accordionHeader::after {
    content: "V";
    transform: rotate(180deg);
    font-size: 1rem;
    position: absolute;
    left: 1rem;
    transition: transform 0.3s ease-in-out;
}

.accordionHeader.active::after {
    transform: rotate(360deg);
}

.accordionBody {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out; 
}

.accordionContent {
    padding: 1rem 2.5rem;
    line-height: 1.5rem;
}

@media screen and (max-width: 768px) {
    .faqs {
        padding: 0 2rem;
    }
    
    .accordionTitle {
        font-size: 20px;
    }
    
    .accordionHeader {
        padding: 0.5rem 2rem 0.5rem 2rem;
    }

    .accordionContent {
        padding: 1rem 2rem;
    }
}

@media screen and (max-width: 480px) {
    .faqs {
        padding: 0 1rem;
    }
    
    .accordionTitle {
        font-size: 18px;
    }
    
    .accordionHeader {
        padding: 0.5rem 1.75rem;
    }

    .accordionContent {
        padding: 1rem 1.75rem;
    }
}