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

body {
    font-family: 'Funnel Sans', sans-serif;
    background: #f6f1eb;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    position: relative;
    overflow-x: hidden;
}

/* Decorative BG blobs */
body::before {
    content: '';
    position: fixed;
    top: -200px;
    left: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(46, 196, 165, .10) 0%, transparent 65%);
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    bottom: -150px;
    right: -150px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(108, 92, 231, .07) 0%, transparent 65%);
    pointer-events: none;
}

/* ── WRAPPER ── */
.payin-wrapper {
    width: 100%;
    max-width: 480px;
    position: relative;
    z-index: 1;
    animation: fadeUp .5s ease both;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── BRAND ── */
.payin-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
    margin-bottom: 28px;
}

.brand-logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #0f7b5f, #1aa88e);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #fff;
    box-shadow: 0 4px 16px rgba(15, 123, 95, .30);
}

.brand-name {
    font-family: 'Lexend', sans-serif;
    font-weight: 700;
    font-size: 20px;
    color: #1a1a2e;
    letter-spacing: -0.3px;
}

.brand-name span {
    color: #0f7b5f;
}

/* ── CARD ── */
.payin-card {
    background: #ffffff;
    border: 1px solid #e8e3dc;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, .07);
}

/* Card header stripe */
.payin-card-header {
    background: linear-gradient(135deg, #0f7b5f 0%, #1aa88e 100%);
    padding: 22px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.payin-card-header .title-group h3 {
    font-family: 'Lexend', sans-serif;
    font-weight: 700;
    font-size: 18px;
    color: #fff;
    margin-bottom: 2px;
}

.payin-card-header .title-group p {
    font-size: 12px;
    color: rgba(255, 255, 255, .75);
}

.payin-card-header .header-icon {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, .18);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
}

.payin-card-body {
    padding: 28px;
    background: #ffffff;
}

/* ── FORM FIELDS ── */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-family: 'Lexend', sans-serif;
    font-size: 12px;
    font-weight: 600;
    color: #888;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.form-group input {
    width: 100%;
    background: #f9f9f7;
    border: 1.5px solid #e4dfd7;
    border-radius: 12px;
    padding: 13px 16px;
    color: #222;
    font-size: 15px;
    font-family: 'Funnel Sans', sans-serif;
    outline: none;
    transition: border-color .2s, background .2s, box-shadow .2s;
}

.form-group input:focus {
    border-color: #0f7b5f;
    background: #f0faf7;
    box-shadow: 0 0 0 3px rgba(15, 123, 95, .08);
}

.form-group input::placeholder {
    color: #bbb;
}

/* Amount display */
.amount-display {
    background: #e9f7f3;
    border: 1.5px solid #bfe8dc;
    border-radius: 12px;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.amount-display .currency {
    font-family: 'Lexend', sans-serif;
    font-size: 22px;
    font-weight: 300;
    color: #9db;
}

.amount-display input {
    background: transparent;
    border: none;
    padding: 0;
    font-family: 'Lexend', sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: #0f7b5f;
    width: 100%;
    outline: none;
    letter-spacing: -0.5px;
    box-shadow: none !important;
}

.amount-display input::placeholder {
    color: rgba(15, 123, 95, .3);
    font-weight: 400;
}

/* ── QUICK AMOUNT GRID ── */
.quick-amount-label {
    font-size: 11px;
    color: #aaa;
    font-family: 'Lexend', sans-serif;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 10px;
}

.quick-amounts {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-bottom: 24px;
}

.qa-btn {
    background: #f3f0ec;
    border: 1.5px solid #e4dfd7;
    border-radius: 10px;
    padding: 10px 6px;
    font-family: 'Lexend', sans-serif;
    font-size: 13px;
    font-weight: 600;
    color: #555;
    cursor: pointer;
    transition: all .18s;
    text-align: center;
}

.qa-btn:hover,
.qa-btn.active {
    background: #e0f7f1;
    border-color: #1aa88e;
    color: #0f7b5f;
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(15, 123, 95, .12);
}

.qa-btn .qa-rupee {
    font-size: 10px;
    opacity: .6;
}

/* ── PAY BUTTON ── */
.pay-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #0f7b5f, #1aa88e);
    border: none;
    border-radius: 14px;
    color: #fff;
    font-family: 'Lexend', sans-serif;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    transition: all .25s;
    box-shadow: 0 6px 24px rgba(15, 123, 95, .28);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    letter-spacing: 0.3px;
}

.pay-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 32px rgba(15, 123, 95, .38);
}

.pay-btn:active {
    transform: translateY(0);
}

.pay-btn .btn-arrow {
    width: 28px;
    height: 28px;
    background: rgba(255, 255, 255, .2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

/* ── FOOTER NOTE ── */
.payin-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 20px;
    opacity: .6;
}

.payin-footer i {
    font-size: 13px;
    color: #0f7b5f;
}

.payin-footer span {
    font-size: 12px;
    color: #777;
}

/* ── FORM ROW ── */
.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

/* ── RESPONSIVE ── */
@media (max-width: 480px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .quick-amounts {
        grid-template-columns: repeat(3, 1fr);
    }

    .payin-card-body {
        padding: 20px;
    }
}