/* ===========================
   ОСНОВНЫЕ НАСТРОЙКИ
=========================== */

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

body{

    font-family:"Georgia",serif;

    background:#2b160f;

    color:white;

    display:flex;

    justify-content:center;

    align-items:flex-start;

    min-height:100vh;

    overflow-x:hidden;

}

/* ===========================
      КОНТЕЙНЕР
=========================== */

.container{

    position:relative;

    width:100%;

    max-width:650px;

}

.invite{

    width:100%;

    display:block;

}


/* ===========================
      ФОРМА 
=========================== */

.form-overlay{
    position:absolute;
    left:50%;
    bottom:900px;
    transform:translateX(-50%);
    width:90%;
    max-width:500px;
    z-index:20;
}

.form-box{

    backdrop-filter:blur(12px);

    background:rgba(255,255,255,.08);

    border:1px solid rgba(255,255,255,.15);

    border-radius:28px;

    padding:25px;

    box-shadow:

        0 10px 35px rgba(0,0,0,.35);

}

/* ===========================
      ЗАГОЛОВОК
=========================== */

.form-box h2{

    font-size:28px;

    font-weight:400;

    margin-bottom:25px;

}

/* ===========================
      INPUT
=========================== */

.form-box input[type=text]{

    width:100%;

    padding:14px 18px;

    border:none;

    outline:none;

    border-radius:14px;

    background:rgba(255,255,255,.12);

    color:white;

    font-size:16px;

    margin-bottom:20px;

}

.form-box input::placeholder{

    color:rgba(255,255,255,.65);

}

/* ===========================
      RADIO
=========================== */

.radio-group{

    display:flex;

    justify-content:center;

    gap:15px;

    margin-bottom:25px;

}

.radio-group input{

    display:none;

}

.radio-btn{

    display:flex;

    align-items:center;

    justify-content:center;

    min-width:140px;

    padding:13px 20px;

    border-radius:40px;

    cursor:pointer;

    transition:.35s;

    background:rgba(255,255,255,.08);

    border:1px solid rgba(255,255,255,.2);

}

.radio-btn:hover{

    background:rgba(255,255,255,.15);

}

.radio-group input:checked + .radio-btn{

    background:white;

    color:#4c2817;

    transform:scale(1.04);

}

/* ===========================
      КНОПКА
=========================== */

button[type=submit]{

    width:100%;

    margin-top:25px;

    padding:16px;

    border:none;

    border-radius:40px;

    font-size:17px;

    cursor:pointer;

    transition:.35s;

    background:white;

    color:#3b1f14;

    font-weight:bold;

}

button[type=submit]:hover{

    transform:translateY(-2px);

    box-shadow:0 10px 20px rgba(0,0,0,.25);

}

/* ===========================
      СКРЫТЫЙ БЛОК
=========================== */

.hidden{

    display: none;

}

/* ===========================
      АККОРДЕОН
=========================== */

.accordion{

    margin-top:18px;

    border-radius:18px;

    overflow:hidden;

    background:rgba(255,255,255,.06);

    border:1px solid rgba(255,255,255,.12);

}
/* ===========================
      АККОРДЕОН
=========================== */

.accordion-header{

    display:flex;

    justify-content:space-between;

    align-items:center;

    padding:18px 20px;

    cursor:pointer;

    user-select:none;

    transition:.3s;

    font-size:18px;

}

.accordion-header:hover{

    background:rgba(255,255,255,.08);

}

.arrow{

    transition:.35s;

    font-size:14px;

}

.accordion.active .arrow{

    transform:rotate(180deg);

}

.accordion-content{

    max-height:0;

    overflow:hidden;

    transition:max-height .35s ease;

}

/* ===========================
      КАРТОЧКИ
=========================== */

.card-option{

    display:flex;

    align-items:center;

    gap:12px;

    padding:15px 20px;

    cursor:pointer;

    transition:.3s;

    border-top:1px solid rgba(255,255,255,.08);

}

.card-option:hover{

    background:rgba(255,255,255,.08);

}

.card-option input{

    width:18px;

    height:18px;

    accent-color:#ffffff;

}

/* ===========================
      ПОЛЯ
=========================== */

#customDrink,
#wishes{

    width:calc(100% - 30px);

    margin:15px;

    padding:14px;

    border:none;

    border-radius:14px;

    outline:none;

    background:rgba(255,255,255,.10);

    color:white;

    font-size:15px;

}

#wishes{

    resize:none;

    min-height:100px;

}

#customDrink::placeholder,
#wishes::placeholder{

    color:rgba(255,255,255,.6);

}

/* ===========================
      АНИМАЦИИ
=========================== */

.form-box{

    animation:fadeUp .8s ease;

}

@keyframes fadeUp{

    from{

        opacity:0;

        transform:translateY(40px);

    }

    to{

        opacity:1;

        transform:translateY(0);

    }

}

button,
.radio-btn,
.card-option,
.accordion-header{

    transition:all .3s ease;

}

button:active{

    transform:scale(.98);

}

/* ===========================
      АДАПТИВ
=========================== */

@media (max-width:768px){

    .form-overlay{

        width:92%;

        top:63%;

    }

    .form-box{

        padding:20px;

        border-radius:22px;

    }

    .form-box h2{

        font-size:24px;

    }

    .radio-group{

        flex-direction:column;

        gap:12px;

    }

    .radio-btn{

        width:100%;

    }

    #timer{

        font-size:22px;

    }

    .accordion-header{

        font-size:17px;

    }

}

@media (max-width:480px){

    .form-overlay{

        top:61%;

    }

    .form-box{

        padding:18px;

    }

    .form-box h2{

        font-size:22px;

    }

    button[type=submit]{

        font-size:16px;

        padding:15px;

    }

}
@media(max-width:768px){

    .form-section{

        margin-top:-25px;

        padding:0 15px;

    }

    .form-overlay{

        width:100%;

        padding:24px;

        border-radius:22px;

    }

}