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

body {
    font-family: 'Inter', sans-serif;
    background: #1f1f1f;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}

.container {
    width: 100%;
    max-width: 700px;
    padding: 40px;
    text-align: center;
}

.logo {
    width: 220px;
    margin-bottom: 40px;
}

h1,
h2 {
    font-weight: 600;
    margin-bottom: 20px;
}

p {
    font-size: 22px;
    color: #dddddd;
    line-height: 1.5;
    margin-bottom: 40px;
}

#bellButton {
    background: #d62b70;
    color: white;
    border: none;
    border-radius: 18px;
    padding: 28px 50px;
    font-size: 30px;
    font-weight: 700;
    cursor: pointer;
    transition: all .25s ease;
}

#bellButton:hover {
    transform: scale(1.03);
}

#bellButton:active {
    transform: scale(.98);
}

.hidden {
    display: none;
}

.checkmark {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: #27ae60;
    color: white;
    font-size: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
}

.countdown {
    position: relative;
    width: 180px;
    height: 180px;
    margin: 40px auto 0;
}

.countdown svg {
    transform: rotate(-90deg);
}

.background-circle {
    fill: none;
    stroke: rgba(255,255,255,.15);
    stroke-width: 10;
}

.progress-circle {
    fill: none;
    stroke: #d62b70;
    stroke-width: 10;
    stroke-linecap: round;
    stroke-dasharray: 471;
    stroke-dashoffset: 0;
}

#timer {
    position: absolute;
    inset: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 52px;
    font-weight: 700;
}