/* Sections */
.section{ padding: 26px 0; }

.section__head{
    text-align:center;
    margin: 10px 0 18px;
}

.section__title{
    font-size: 28px;
    letter-spacing: -0.015em;
}

.section__subtitle{
    margin-top: 8px;
    color: var(--muted);
    font-size: 14px;
}

/* Grid */
.grid{ display:grid; gap: 16px; }
.grid--4{
    grid-template-columns: repeat(4, minmax(0, 1fr));
}
.grid--3{ grid-template-columns: repeat(3, 1fr); }

/* Forms */
.form{ margin-top: 12px; }
.form--single{ display:flex; }
.form--row{
    display:flex;
    gap: 10px;
    align-items:center;
    margin-top: 14px;
}
/* кнопка в строковой форме */
.form--row .btn{
    height: 46px;
    padding: 0 24px;        /* 70px слишком много */
    border-radius: 14px;
    font-size: 14px;
    line-height: 1;

    white-space: nowrap;   /* ← КЛЮЧ */
}
.input{
    width: 100%;
    height: 46px;
    border-radius: 14px;
    padding: 0 14px;

    border: 1px solid rgba(226,232,240,.95);
    background: #fff;
    color: var(--text);

    outline:none;
    box-shadow: 0 10px 22px rgba(15,23,42,.05);
}
.input::placeholder{ color: rgba(71,85,105,.65); }
.input:focus-visible{
    box-shadow: 0 10px 22px rgba(15,23,42,.08), var(--focus);
    border-color: rgba(37,99,235,.40);
}

/* Flash Messages */
.flash-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 1050;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.flash-message {
    padding: 16px 24px;
    border-radius: 12px;
    font-weight: 600;
    box-shadow: 0 10px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    border: 1px solid;
    animation: flash-fade-in-out 4s forwards;
}
.flash-success {
    background-color: #F0FDF4;
    color: #15803D;
    border-color: #BBF7D0;
}
.flash-error {
    background-color: #FEF2F2;
    color: #B91C1C;
    border-color: #FECACA;
}
.flash-info {
    background-color: #EFF6FF;
    color: #1D4ED8;
    border-color: #BFDBFE;
}

@keyframes flash-fade-in-out {
    0% { opacity: 0; transform: translateX(100%); }
    10% { opacity: 1; transform: translateX(0); }
    90% { opacity: 1; transform: translateX(0); }
    100% { opacity: 0; transform: translateX(100%); }
}

.upgrade-modal {
    position: fixed;
    inset: 0;
    z-index: 1100;
    display: grid;
    place-items: center;
    padding: 20px;
}

.upgrade-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.54);
}

.upgrade-modal__panel {
    position: relative;
    z-index: 1;
    width: min(420px, 100%);
    padding: 24px;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 20px 60px rgba(15, 23, 42, 0.22);
}

.upgrade-modal__panel h2 {
    margin: 0 32px 10px 0;
    font-size: 24px;
}

.upgrade-modal__panel p {
    margin: 0 0 18px;
}

.upgrade-modal__close {
    position: absolute;
    top: 10px;
    right: 12px;
    border: 0;
    background: transparent;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
}

.purchase-waitlist-modal {
    position: fixed;
    inset: 0;
    z-index: 1100;
    display: none;
    place-items: center;
    padding: 20px;
}

.purchase-waitlist-modal.is-open {
    display: grid;
}

.purchase-waitlist-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.54);
}

.purchase-waitlist-modal__panel {
    position: relative;
    z-index: 1;
    width: min(560px, 100%);
    padding: 24px;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 20px 60px rgba(15, 23, 42, 0.22);
}

.purchase-waitlist-modal__panel h2 {
    margin: 0 32px 12px 0;
    font-size: 24px;
}

.purchase-waitlist-modal__panel p {
    margin: 0 0 12px;
    line-height: 1.55;
}

.purchase-waitlist-modal__close {
    position: absolute;
    top: 10px;
    right: 12px;
    border: 0;
    background: transparent;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
}

.purchase-waitlist-modal__form {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 18px;
}

.purchase-waitlist-modal__message {
    margin-top: 14px;
    padding: 12px 14px;
    border-radius: 8px;
    font-weight: 700;
}

.purchase-waitlist-modal__message.is-success {
    background: #F0FDF4;
    color: #166534;
}

.purchase-waitlist-modal__message.is-error {
    background: #FEF2F2;
    color: #B91C1C;
}

@media (max-width: 1024px) {
    .grid--4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 767px) {
    .section {
        padding: 20px 0;
    }

    .section__head {
        margin: 6px 0 16px;
    }

    .section__title {
        font-size: 24px;
        line-height: 1.15;
    }

    .section__subtitle {
        font-size: 13px;
        line-height: 1.5;
    }

    .grid--4,
    .grid--3 {
        grid-template-columns: minmax(0, 1fr);
        gap: 14px;
    }

    .form--row {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .form--row .btn {
        width: 100%;
    }

    .flash-container {
        left: 12px;
        right: 12px;
        top: 72px;
    }

    .flash-message {
        padding: 14px 16px;
        font-size: 14px;
    }

    .purchase-waitlist-modal__panel {
        padding: 20px;
    }

    .purchase-waitlist-modal__panel h2 {
        font-size: 21px;
    }

    .purchase-waitlist-modal__form {
        flex-direction: column;
        align-items: stretch;
    }
}