@import url("https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600&family=DM+Sans:wght@400;500;600&display=swap");
:root {
--sdf-primary:    #20646b;
--sdf-gradient:   linear-gradient(to right, #204c6b, #20646b);
}
.sdf-wrapper {
font-family: 'DM Sans', sans-serif !important;
max-width: 520px;
margin: 40px auto;
padding: 0 16px;
} .sdf-card {
background: #fff;
border-radius: 16px;
box-shadow: 0 4px 32px rgba(0,0,0,.10), 0 1px 4px rgba(0,0,0,.06);
overflow: hidden;
} .sdf-header {
background: var(--sdf-gradient);
padding: 36px 40px 32px;
text-align: center;
position: relative;
overflow: hidden;
}
.sdf-header::before {
content: '';
position: absolute;
inset: 0;
background: radial-gradient(ellipse at top right, rgba(255,255,255,.08) 0%, transparent 60%);
}
.sdf-title {
color: #fff !important;
font-size: 36px;
margin: 0 0 10px;
position: relative;
}
.sdf-subtitle {
color: rgba(255,255,255,.85) !important;
font-size: 18px;
margin: 0;
line-height: 1.4;
position: relative;
} .sdf-body { padding: 32px 40px 36px; } .sdf-amount-label {
display: block;
font-size: 11px !important;
font-weight: 600 !important;
letter-spacing: 1.2px;
text-transform: uppercase;
color: #111 !important;
margin-bottom: 12px;
}
.sdf-amount-grid {
display: grid;
grid-template-columns: repeat(5, 1fr);
gap: 10px;
margin-bottom: 14px;
}
.sdf-amount-btn {
background: #f5f5f5 !important;
border: 2px solid #bbb !important;
border-radius: 10px !important;
padding: 14px 0 !important;
font-family: 'DM Sans', sans-serif !important;
font-size: 16px !important;
font-weight: 600 !important;
color: #111 !important;
cursor: pointer !important;
transition: all .18s ease !important;
line-height: 1 !important;
box-shadow: none !important;
}
.sdf-amount-btn:hover {
background: #e0f0f1 !important;
border-color: var(--sdf-primary) !important;
color: var(--sdf-primary) !important;
transform: translateY(-1px) !important;
box-shadow: 0 3px 10px rgba(32,100,107,.18) !important;
}
.sdf-amount-btn.active {
background: var(--sdf-primary) !important;
border-color: var(--sdf-primary) !important;
color: #fff !important;
box-shadow: 0 4px 14px rgba(32,100,107,.3) !important;
transform: translateY(-1px) !important;
}
.sdf-other-btn { font-size: 14px !important; } .sdf-custom-wrap {
position: relative;
display: flex;
align-items: center;
margin-top: 4px;
}
.sdf-dollar {
position: absolute;
left: 14px;
font-size: 16px;
font-weight: 700;
color: #111 !important;
pointer-events: none;
z-index: 2;
}
.sdf-custom-input {
width: 100% !important;
box-sizing: border-box !important;
padding: 13px 14px 13px 30px !important;
border: 2px solid #111 !important;
border-radius: 10px !important;
font-family: 'DM Sans', sans-serif !important;
font-size: 16px !important;
color: #111 !important;
background: #fff !important;
outline: none !important;
-moz-appearance: textfield;
}
.sdf-custom-input::-webkit-outer-spin-button,
.sdf-custom-input::-webkit-inner-spin-button { -webkit-appearance: none; }
.sdf-custom-input::placeholder { color: #999 !important; }
.sdf-custom-input:focus {
border-color: var(--sdf-primary) !important;
box-shadow: 0 0 0 3px rgba(32,100,107,.12) !important;
} .sdf-fields { margin-top: 24px; }
.sdf-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.sdf-field { margin-bottom: 14px; }
.sdf-field label {
display: block !important;
font-family: 'DM Sans', sans-serif !important;
font-size: 11px !important;
font-weight: 600 !important;
letter-spacing: 1.2px !important;
text-transform: uppercase !important;
color: #111 !important;
margin-bottom: 6px !important;
}
.sdf-field input[type="text"],
.sdf-field input[type="email"] {
width: 100% !important;
box-sizing: border-box !important;
padding: 13px 14px !important;
border: 2px solid #111 !important;
border-radius: 10px !important;
font-family: 'DM Sans', sans-serif !important;
font-size: 15px !important;
color: #111 !important;
background: #fff !important;
outline: none !important;
box-shadow: none !important;
-webkit-text-fill-color: #111 !important;
}
.sdf-field input[type="text"]::placeholder,
.sdf-field input[type="email"]::placeholder {
color: #999 !important;
-webkit-text-fill-color: #999 !important;
opacity: 1 !important;
}
.sdf-field input:focus {
border-color: var(--sdf-primary) !important;
box-shadow: 0 0 0 3px rgba(32,100,107,.12) !important;
} .sdf-card-details-box {
margin-top: 22px;
border: 2px solid #111;
border-radius: 12px;
padding: 20px 20px 16px;
background: #fafafa;
}
.sdf-card-details-title {
font-family: 'DM Sans', sans-serif !important;
font-size: 11px !important;
font-weight: 600 !important;
letter-spacing: 1.2px;
text-transform: uppercase;
color: #111 !important;
margin-bottom: 14px;
} .sdf-card-container {
min-height: 90px;
}
.sdf-card-error {
color: #c0392b !important;
font-size: 13px !important;
font-weight: 500 !important;
margin-top: 10px;
min-height: 18px;
} .sdf-submit-btn {
display: block !important;
width: 100% !important;
margin-top: 24px !important;
padding: 17px !important;
background: var(--sdf-gradient) !important;
border: none !important;
border-radius: 12px !important;
font-family: 'DM Sans', sans-serif !important;
font-size: 17px !important;
font-weight: 600 !important;
color: #fff !important;
cursor: pointer !important;
letter-spacing: .3px;
transition: all .2s ease;
box-shadow: 0 4px 16px rgba(32,100,107,.3);
}
.sdf-submit-btn:hover:not(:disabled) {
transform: translateY(-2px) !important;
box-shadow: 0 8px 24px rgba(32,100,107,.4) !important;
}
.sdf-submit-btn:active { transform: translateY(0) !important; }
.sdf-submit-btn:disabled { opacity: .65 !important; cursor: not-allowed !important; } .sdf-secure-note { text-align: center; font-size: 12px !important; color: #888 !important; margin: 14px 0 0; } .sdf-success {
text-align: center;
padding: 60px 40px;
background: #fff;
border-radius: 16px;
box-shadow: 0 4px 32px rgba(0,0,0,.10);
}
.sdf-success-icon {
width: 64px; height: 64px;
background: var(--sdf-gradient);
border-radius: 50%;
font-size: 30px; color: #fff;
display: flex; align-items: center; justify-content: center;
margin: 0 auto 20px;
animation: popIn .4s cubic-bezier(.34, 1.56, .64, 1) both;
}
@keyframes popIn {
from { transform: scale(0); opacity: 0; }
to   { transform: scale(1); opacity: 1; }
}
.sdf-success h2 {
font-family: 'Playfair Display', serif !important;
font-size: 28px;
color: var(--sdf-primary) !important;
margin: 0 0 10px;
}
.sdf-success p { color: #111 !important; font-size: 15px; line-height: 1.6; margin: 6px 0; }
.sdf-success-msg { font-size: 17px !important; color: #111 !important; font-weight: 500 !important; } @media (max-width: 690px) {
.sdf-wrapper { padding: 0 !important; margin: 0 !important; max-width: 100% !important; }
.sdf-card { border-radius: 0 !important; box-shadow: none !important; }
.sdf-header { border-radius: 0 !important; padding: 28px 25px 24px !important; }
.sdf-body { padding: 24px 25px 32px !important; }
.sdf-success { border-radius: 0 !important; box-shadow: none !important; padding: 48px 25px !important; }
.sdf-amount-grid { grid-template-columns: repeat(3, 1fr) !important; }
.sdf-field-row { grid-template-columns: 1fr !important; }
.sdf-title { font-size: 22px; }
}