:root {
    --color-1: #8EE3F5;
    --color-2: #B08EA2;
    --color-3: #3E517A;
    --color-4: #A8E0FF;
    --color-5: #70CAD1;
    --color-6: #00a380;
    --color-7: #00a380;
    --color-8: #487281;
    --image_rotation: 0deg;
}

body {
    margin: 0;
    padding: 0;
    
    font-family: "DynaPuff", system-ui;
    font-optical-sizing: auto;
    font-weight: 400;
    font-style: normal;
    font-variation-settings:
    "wdth" 100;
}
#navbar {
    z-index: 1000;
    position: sticky;
    top: 0;
    width: 100%;
    height: 60px;
    padding: 12px 16px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: row;
    align-items: center;
}

.grey_grad {
    background: linear-gradient(to bottom, var(--color-1), var(--color-4), var(--color-1));
}

#pwr {
    border-radius: .5rem;
    width: fit-content;
    height: fit-content;
    padding: 5px;
    display: inline-flex;
    border-color: var(--color-3);
    background-color: var(--color-3);
    border-style: solid;
}

#red_light {
    background-color: red;
    border-radius: 50%;
    width: 9px;
    height: 9px;
    display: inline-block;
    animation: pulse 0.9s infinite ease;
}

#yellow_light {
    background-color: yellow;
    border-radius: 50%;
    width: 9px;
    height: 9px;
    display: inline-block;
    animation: pulse 0.9s infinite ease;
    animation-delay: 0.3s;
}

#green_light {
    background-color: green;
    border-radius: 50%;
    width: 9px;
    height: 9px;
    display: inline-block;
    animation: pulse 0.9s infinite ease;
    animation-delay: 0.6s;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    50% {
        transform: scale(1);
        opacity: 0.6;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

#title {
    margin: 15px;
    border-radius: .5rem;
    width: fit-content;
    height: fit-content;
    padding: 5px;
    display: inline-flex;
    border-color: var(--color-3);
    background-color: var(--color-3);
    border-style: solid;
}

#title_text {
    color: var(--color-6);
    font-size: 1rem;
}

.wn {
    background-color: white;
    color: black;
    width: 12.5%;
    height: 6rem;
    box-shadow: 5px 5px 50px;
}

.bn {
    background-color: var(--color-3);
    color: white;
}

.hidden {
    display: none;
}

.flex {
    display: flex;
}

#piano {
    background: var(--color-4);
    padding: 5% 10% 0.5rem 10%;
    width: 80%;
    flex-direction: row;
    opacity: 0;
    transition: opacity 0.5s ease;
}

#piano.show {
    display: flex;
    opacity: 1;
}

#piano.fade-out {
    opacity: 0;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

#C {
    border-radius: 0 0 0 1rem;
}

#B {
    border-radius: 0 0 1rem 0;
}

#pian {
    margin-left: auto;
    margin-right: 2rem;

}

@media screen and (max-width: 768px) {
    #pwr {
        display: none;
    }
}

#pian_btn {
    background-color: var(--color-3);
    text-decoration: dashed;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
    color: var(--color-1);
    display: inline-flex;
}

#pian_btn_indicator {
    position: relative;
    align-self: center;
    width: 9px;
    height: 9px;
    background-color: grey;
    border-radius: 50%;
    margin-right: 0.5rem;
    transition: all 1s ease;
}

#pian_btn:hover {
    background-color: var(--color-8);
    #pian_btn_indicator {
        background-color: red;
        transition: all 0.1s ease;
    }
}

#pian_btn:active {
    background-color: var(--color-5);
}

body:has(#piano.show) #pian_btn_indicator,
#piano.show ~ #pian #pian_btn_indicator {
    background-color: green;
}

#pian_btn_text {
    margin-top: 0.1rem;
    text-align: middle;
    height: auto;
    color: var(--color-6);
}

#pian_btn_drop {
    margin-left: 0.5rem;
    
    position: relative;
    
    position: relative;
    align-self: center;
}

#intro {
    margin: 5% 10% 0.5rem 10%;
    padding-bottom: 15px;
    width: 80%;
    flex-direction: row;
    transition: opacity 0.5s ease;
    border-bottom: solid 1px black;
}

#intro_1 {
    text-align: center;
    transition: opacity 0.5s ease;
}

#intro_2 {
    text-align: center;
    transition: opacity 0.5s ease;
}

#RSVP {
    font-family: "DynaPuff", system-ui;
    color: var(--color-3);
    font-weight: 600;
    border: solid 1px var(--color-2);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#RSVP:hover {
    background-color: var(--color-2);
}

#guides_btn {
    font-weight: 600;
    font-family: "DynaPuff", system-ui;
    background-color: var(--color-1);
    border: solid 1px var(--color-2);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#guides_btn:hover {
    background-color: var(--color-2);
}

#guides_btn_text {
    color: var(--color-3);
}

#proccess {
    margin-left: 5%;
    width: 90%;
    display: flex;
    flex-direction: row;
    justify-content: space-evenly;
}

.proccess_container {
    display: flex;
    flex-direction: column;
    text-align: center;
    width : 30%;
    overflow: auto;
}

.proccess_heading {
    font-weight: bold;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

@media screen and (max-width: 768px) {
    .proccess_container {
        width: 100%;
    }

    #proccess {
        flex-direction: column;
    }
}

#the_proccess {
    width: 100%;
    height: fit-content;
    background-color: var(--color-8);
}

#the_proccess_columns {
    display: flex;
    justify-content: space-evenly;
    width: 100%;
}

#the_proccess_title {
    text-align: center;
    padding: 1rem;
    font-size: 3rem;
    font-weight: bold;
    color: white;
}

.the_proccess_column {
    width: 45%;
    flex: 1;
    padding: 1rem;
}

.the_proccess_column:last-child {
    border-right: none;
}

.the_proccess_column_div_head {
    text-align: center;
    font-size: 1.2rem;
    color: var(--color-3);
}

.the_proccess_column_div_text {
    text-align: center;
    font-size: 1rem;
    color: var(--color-3);
}

#the_proccess_column_emoji {
    font-size: 2rem;
    display: block;
    margin-top: 1rem;
    font-size: 3rem;
    text-align: center;
}

#proccess_column_1 {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background-color: var(--color-5);
    width: 40%;
    margin: 5rem;
    border-radius: 1rem;
    border: solid 1px lightgray;
    transition: background-color 0.3s ease;
    transition: transform 0.3s ease;
    min-height: 300px;
}

#proccess_column_1:hover {
    background-color: var(--color-1);
    transform: scale(1.05);
    align-content: center;
}

#the_proccess_column_1_title {
    text-align: center;
    margin: 0;
}

#proccess_column_2 {
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
}

.the_proccess_container {
    width: 95%;
    border-radius: 0.5rem;
    background-color: var(--color-5);
    border: solid 1px white;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
    padding-bottom: 0.5rem;
    text-align: center;
}

#the_proccess_arrow {
    margin-left: 50px;
    align-self: center;
    scale: 5;
    animation: pulse_arrow 1.5s infinite;
}

@keyframes pulse_arrow {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.5;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}


#kit_title {
    text-align: center;
    margin-top: 50px;
    font-size: 5rem;
}

.kit_item {
    width: 200px;
    height: 250px;
    border-radius: 0.5rem;
    padding: 1rem;
    margin: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    background-color: #fffef7;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid #e6e6e6;
}

@media screen and (max-width: 768px) {
    .kit_item {
        width: 80%;
        margin: 0.5rem;
    }
    
}

#kit_content {
    background: url('assets/kit_background.png');
    background-repeat: repeat;
    width: 80%;
    margin-top: 10%;
    margin-right: 10%;
    margin-left: 10%;
    border-radius: 0.5rem;
    border: solid 0.5rem #bd2c40;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    align-items: flex-start;
    min-height: 600px;
    padding: 3rem 2rem;
    position: relative;
}

.kit_image {
    max-width: 80%;
    max-height: 120px;
    object-fit: contain;
    margin: 1rem 0;
}

.kit_descriptor {
    color: var(--color-3);
    font-size: 1.2rem;
    font-weight: 600;
    text-align: center;
    margin-top: auto;
    transition: all 0.3s ease;
}

.kit_pin {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    background-color: white;
    border: solid 3px black;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    z-index: 10;
}

.kit_pin_inside {
    width: 8px;
    height: 8px;
    background-color: black;
    border-radius: 50%;
    position: absolute;
    transform: translate(25%, 25%);
}

.kit_item:hover {
    transform: scale(1.05) rotate(0deg) !important;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.25);
    border: solid 2px #3E517A;
    z-index: 5;
}

@media screen and (min-width: 768px) {
    .kit_item:nth-child(1) {
        transform: rotate(-8deg);
        margin-top: 2rem;
        margin-left: 1rem;
    }

    .kit_item:nth-child(2) {
        transform: rotate(3deg);
        margin-top: 0.5rem;
        margin-right: 2rem;
    }

    .kit_item:nth-child(3) {
        transform: rotate(-5deg);
        margin-top: 3rem;
        margin-left: 0.5rem;
    }

    .kit_item:nth-child(4) {
        transform: rotate(7deg);
        margin-top: 1rem;
        margin-right: 1.5rem;
    }

    .kit_item:nth-child(5) {
        transform: rotate(-3deg);
        margin-top: 2.5rem;
        margin-left: 2rem;
    }

    .kit_item:nth-child(6) {
        transform: rotate(6deg);
        margin-top: 0.8rem;
        margin-right: 0.8rem;
    }

    .kit_item:nth-child(7) {
        transform: rotate(-7deg);
        margin-top: 1.8rem;
        margin-left: 1.2rem;
    }

}

.kit_item:nth-child(1) .kit_pin {
    border-color: var(--hc_orange);
}
.kit_item:nth-child(2) .kit_pin {
    border-color: var(--hc_blue);
}
.kit_item:nth-child(3) .kit_pin {
    border-color: var(--hc_yellow);
}
.kit_item:nth-child(4) .kit_pin {
    border-color: var(--hc_green);
}
.kit_item:nth-child(5) .kit_pin {
    border-color: var(--hc_cyan);
}
.kit_item:nth-child(6) .kit_pin {
    border-color: var(--hc_red);
}
.kit_item:nth-child(7) .kit_pin {
    border-color: var(--hc_purple);
}

.kit_item:nth-child(1) .kit_pin:hover {
    border-color: var(--hc_orange_accent);
}
.kit_item:nth-child(2) .kit_pin:hover {
    border-color: var(--hc_blue_accent);
}
.kit_item:nth-child(3) .kit_pin:hover {
    border-color: var(--hc_yellow_accent);
}
.kit_item:nth-child(4) .kit_pin:hover {
    border-color: var(--hc_green_accent);
}
.kit_item:nth-child(5) .kit_pin:hover {
    border-color: var(--hc_cyan_accent);
}
.kit_item:nth-child(6) .kit_pin:hover {
    border-color: var(--hc_red_accent);
}
.kit_item:nth-child(7) .kit_pin:hover {
    border-color: var(--hc_purple_accent);
}

.kit_item:nth-child(1) .kit_pin_inside {
    background-color: var(--hc_orange);
}
.kit_item:nth-child(2) .kit_pin_inside {
    background-color: var(--hc_blue);
}
.kit_item:nth-child(3) .kit_pin_inside {
    background-color: var(--hc_yellow);
}
.kit_item:nth-child(4) .kit_pin_inside {
    background-color: var(--hc_green);
}
.kit_item:nth-child(5) .kit_pin_inside {
    background-color: var(--hc_cyan);
}
.kit_item:nth-child(6) .kit_pin_inside {
    background-color: var(--hc_red);
}
.kit_item:nth-child(7) .kit_pin_inside {
    background-color: var(--hc_purple);
}

@keyframes rainbow {
    0% {
        border-image: linear-gradient(0deg, #ff0000, #ff7f00, #ffff00, #00ff00, #0000ff, #4b0082, #9400d3) 1;
    }
    25% {
        border-image: linear-gradient(90deg, #ff0000, #ff7f00, #ffff00, #00ff00, #0000ff, #4b0082, #9400d3) 1;
    }
    50% {
        border-image: linear-gradient(180deg, #ff0000, #ff7f00, #ffff00, #00ff00, #0000ff, #4b0082, #9400d3) 1;
    }
    75% {
        border-image: linear-gradient(270deg, #ff0000, #ff7f00, #ffff00, #00ff00, #0000ff, #4b0082, #9400d3) 1;
    }
    100% {
        border-image: linear-gradient(360deg, #ff0000, #ff7f00, #ffff00, #00ff00, #0000ff, #4b0082, #9400d3) 1;
    }
    
}

.kit_item:nth-child(1):hover {
    border: solid 4px var(--hc_orange_accent)
}
.kit_item:nth-child(2):hover {
    border: solid 4px var(--hc_blue_accent);
}
.kit_item:nth-child(3):hover {
    border: solid 4px var(--hc_yellow_accent);
}
.kit_item:nth-child(4):hover {
    border: solid 4px var(--hc_green_accent);
}
.kit_item:nth-child(5):hover {
    border: solid 4px var(--hc_cyan_accent);
}
.kit_item:nth-child(6):hover {
    border: solid 4px var(--hc_red_accent);
}
.kit_item:nth-child(7):hover {
    border: solid 4px var(--hc_purple_accent);
}

.kit_description {
    font-size: 0.8rem;
    color: var(--hc_grey);
    font-family: monospace;
}

#i2c_dac_board:hover {
    font-weight: 700;
}

#i2c_dac_board_container:hover #i2c_dac_board_info {
    display: block;
    float: right;
}

#i2c_dac_board_info {
    display: none;
    position: absolute;
    translate: 75% -175%;
    background-color: var(--color-1);
    padding: 0.5rem;
    border-radius: 0.5rem;
}