a > .label {
    text-align: left;
}

.menu-container-flexbox {
    display: flex;
    width: 100%;
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 20px 40px;
    /* box-sizing: border-box; */
}

#register {
    border-color: var(--ictpc-bright-blue);
    background-color: var(--core-white);
    color: var(--ictpc-bright-blue);
}

/* 
#register .half-section {
    width: 100%;
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
}

#register .half-section {
    display: flex;
    justify-content: flex-start;
} */

#register .half-section {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 20px;
}

.reg-brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

#register .icon {
    width: 80%;
}

#register .label {
    font-size: 2.5rem;
    line-height: 1.2;
}

#register .label:last-child {
    font-size: 1rem;
    font-weight: normal;
    padding: 0;
    line-height: normal;
}

.cta-box,
a.cta-box,
.spanning-flexboxes,
a.spanning-flexboxes {
    padding: 1.5rem;
    position: relative;
    border: 2px solid var(--core-white);
    width: 100%;
    display: flex;
    align-items: center;
    gap: 1rem;
    /* box-sizing: border-box; */
    background: transparent;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275),
        background-color 0.2s ease;
}

.cta-box:hover,
.spanning-flexboxes:hover {
    transform: translateY(-8px);
}

.cta-box:active,
.spanning-flexboxes:active {
    transform: translateY(-2px) scale(0.98);
    background-color: var(--core-white);
    border-color: var(--ictpc-bright-blue);
    transition: transform 0.05s ease;
}

/* --- HEADER SECTION --- */
#ict-cup-header {
    margin-top: 30px;
    font-size: clamp(20px, 4vw, 32px);
}

.subtitle {
    margin: 0 auto 40px;
    padding: 0 20px;
    font-size: clamp(14px, 2vw, 16px);
}

#ictpc26-wordmark {
    width: clamp(280px, 80vw, 450px);
    height: auto;
    margin: 10px auto;
    display: block;
}

/* --- GRID LAYOUT SYSTEM --- */
.menu-container {
    display: grid;
    gap: 20px;
    width: 100%;
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 20px 40px;
    /* box-sizing: border-box; */
    grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 600px) {
    .menu-container {
        gap: 30px;
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 900px) {
    .menu-container {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* --- BOXES --- */
.box,
a.box {
    position: relative;
    border: 2px solid var(--core-white);
    aspect-ratio: 1 / 1;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 12%;
    /* box-sizing: border-box; */
    background: transparent;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275),
        background-color 0.2s ease;
}

.box:hover {
    transform: translateY(-8px);
}

.box:active {
    transform: translateY(-2px) scale(0.98);
    background-color: var(--core-white);
    border-color: var(--ictpc-bright-blue);
    transition: transform 0.05s ease;
}

/* --- ICONS --- */
.icon {
    width: 45%;
    transition: transform 0.3s ease;
}

.wide-icon,
#smo {
    width: 60%;
    max-height: 40%;
}

#openchat,
#devclub {
    width: 30%;
}

/* --- TEXT LABEL --- */
.label {
    font-size: clamp(1.3rem, 1.5rem, 2rem);
    letter-spacing: -0.25;
    font-weight: bold;
    margin: 0;
    line-height: 1.0;
    word-break: break-word;
    hyphens: auto;
}

/* --- INTERACTION EFFECTS --- */
.box:active .icon,
.box:active .label,
.cta-box:active .icon,
.cta-box:active .label,
#practice-ictpc25:active .icon,
#practice-ictpc25:active .label,
#competition-ictpc25:active .icon,
#competition-ictpc25:active .label {
    filter: brightness(0) saturate(100%) invert(12%) sepia(80%) saturate(5500%) hue-rotate(235deg) brightness(88%) contrast(101%);
}

/* --- CORNER DECORATION --- */
.corner {
    position: absolute;
    width: 8px;
    height: 8px;
    border: 1.75px solid var(--core-white);
    background-color: var(--ictpc-bright-blue);
    transition: background-color 0.2s;
}

.tl {
    top: -5px;
    left: -5px;
}

.tr {
    top: -5px;
    right: -5px;
}

.bl {
    bottom: -5px;
    left: -5px;
}

.br {
    bottom: -5px;
    right: -5px;
}

.box:active .corner,
.cta-box:active .corner {
    border-color: var(--ictpc-bright-blue);
    background-color: var(--core-white);
}

.menu-container .box {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

@media (min-width: 500px) {
    .menu-container > .spanning-flexboxes {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto;
    }
}

/* GLOW */
.menu-container .box,
.menu-container .spanning-flexboxes {
    --x-px: calc(var(--x) * 1px);
    --y-px: calc(var(--y) * 1px);
}

.menu-container .box:before,
.menu-container .box:after,
.menu-container .spanning-flexboxes:before,
.menu-container .spanning-flexboxes:after {
    content: "";
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(1000px circle at var(--x-px) var(--y-px),
            rgba(255, 255, 255, 0.15),
            transparent 20%);
    pointer-events: none;
}

.menu-container .box:before,
.menu-container .spanning-flexboxes:before {
    z-index: 1;
}

.menu-container .box:after,
.menu-container .spanning-flexboxes:after {
    opacity: 0;
    z-index: 2;
    transition: opacity 0.5s ease;
}

.menu-container .box:hover:after,
.menu-container .spanning-flexboxes:hover:after {
    opacity: 1;
}

/* ICTPC25 BOXES */
.menu-container.ictpc25 {
    grid-template-columns: repeat(2, 1fr);
}

.ictpc25 > a {
    display: flex;
    aspect-ratio: auto;
}

.ictpc25 > a .label {
    margin: 0 !important;
}

.ictpc25 > a > img {
    width: 18%;
}

.menu-container.ictpc25 .spanning-flexboxes {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
}

@media (max-width: 599px) {
    .menu-container.ictpc25 {
        grid-template-columns: 1fr !important;
    }

    .menu-container.ictpc25 .spanning-flexboxes {
        img {
            width: 10% !important;
        }

        aspect-ratio: auto !important;
    }

    .menu-container.ictpc25 .spanning-flexboxes .label {
        font-size: 0;
    }

    .menu-container.ictpc25 .spanning-flexboxes .label::after {
        content: "ICTPC25 Practice";
        font-size: clamp(1.5rem, 1.7rem, 2rem);
        display: block;
    }

    #competition-ictpc25 .label::after {
        content: "ICTPC25 Competition";
    }
}

/* COUNTDOWN TIMER */
#register-content {
    display: flex;
    width: 100%;
    align-items: center;
}

#countdown-container {
    text-align: center;
    border-left: 1px solid var(--ictpc-bright-blue);
    padding-left: 5%;
    margin-left: auto;
}

#countdown-container #timer {
    font-family: "Google Sans Code";
    font-weight: 600;
    font-size: clamp(1.2rem, 1.8rem, 2rem) !important;
    color: var(--ictpc-bright-blue);
    letter-spacing: -1.5px;
}

#register .half-section {
    display: flex;
    flex-direction: row;
}

@media (max-width: 599px) {
    #register-content {
        flex-direction: column;
        justify-items: center;
        text-align: center;
        gap: 1rem;
    }

    #countdown-container {
        border-left: none;
        border-top: 1px solid var(--ictpc-bright-blue);
        padding-top: 1rem;
        padding-left: 0;
        margin-left: 0;
        width: 90%;
    }

    #register .label {
        font-size: 1.8rem;
    }

    #timer {
        margin-left: 0;
        font-size: 1.5rem !important;
    }

    #register .icon {
        width: 120%;
    }
}