/* =========================================================
   CFN Postcode Checker
   ========================================================= */

.cfn-pc {
    position: relative;
    max-width: 680px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
        Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    color: #1a1a2e;
}

/* ---- Steps ---- */
.cfn-pc__step {
    display: none;
}
.cfn-pc__step--active {
    display: block;
    animation: cfnFadeIn 0.3s ease;
}

@keyframes cfnFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---- Typography ---- */
.cfn-pc__title {
    font-size: 1.6rem;
    font-weight: 700;
    margin: 0 0 0.35rem;
    line-height: 1.3;
}
.cfn-pc__subtitle {
    font-size: 1rem;
    color: #555;
    margin: 0 0 1.5rem;
}

/* ---- Postcode form ---- */
.cfn-pc__form {
    margin: 0;
}
.cfn-pc__input-group {
    display: flex;
    gap: 0.5rem;
}
.cfn-pc__input {
    flex: 1;
    padding: 0.85rem 1rem;
    font-size: 1.1rem;
    border: 2px solid #d0d5dd;
    border-radius: 8px;
    outline: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: border-color 0.2s;
}
.cfn-pc__input:focus {
    border-color: #0057b8;
}
.cfn-pc__input::placeholder {
    text-transform: none;
    letter-spacing: normal;
    color: #aaa;
}

/* ---- Buttons ---- */
.cfn-pc__btn {
    padding: 0.85rem 1.6rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    white-space: nowrap;
    transition: background-color 0.2s, transform 0.1s;
}
.cfn-pc__btn:active {
    transform: scale(0.97);
}
.cfn-pc__btn--primary {
    background: #0057b8;
    color: #fff;
}
.cfn-pc__btn--primary:hover {
    background: #004494;
}
.cfn-pc__btn--secondary {
    background: #e8f0fe;
    color: #0057b8;
}
.cfn-pc__btn--secondary:hover {
    background: #d3e3fd;
}
.cfn-pc__btn--green {
    background: #16a34a;
    color: #fff;
    text-decoration: none;
}
.cfn-pc__btn--green:hover {
    background: #15803d;
    color: #fff;
}
.cfn-pc__btn--large {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    margin-top: 0.25rem;
}
.cfn-pc__btn--amber {
    background: #f59e0b;
    color: #fff;
}
.cfn-pc__btn--amber:hover {
    background: #d97706;
}

/* ---- Error text ---- */
.cfn-pc__error {
    color: #dc2626;
    font-size: 0.9rem;
    margin-top: 0.5rem;
    min-height: 1.3em;
}

/* ---- Back link ---- */
.cfn-pc__link {
    display: inline-block;
    margin-top: 1.25rem;
    font-size: 0.9rem;
    color: #0057b8;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    text-decoration: underline;
    text-underline-offset: 2px;
}
.cfn-pc__link:hover {
    color: #004494;
}

/* ---- Address list ---- */
.cfn-pc__address-list {
    max-height: 360px;
    overflow-y: auto;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
}
.cfn-pc__address-item {
    display: block;
    width: 100%;
    text-align: left;
    padding: 0.8rem 1rem;
    font-size: 0.95rem;
    background: #fff;
    border: none;
    border-bottom: 1px solid #f0f0f0;
    cursor: pointer;
    transition: background-color 0.15s;
}
.cfn-pc__address-item:last-child {
    border-bottom: none;
}
.cfn-pc__address-item:hover {
    background: #f0f6ff;
}

/* ---- Result cards ---- */
.cfn-pc__result-card {
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
}
.cfn-pc__result-card--yes {
    background: #f0fdf4;
    border: 2px solid #86efac;
}
.cfn-pc__result-card--no {
    background: #fef2f2;
    border: 2px solid #fca5a5;
}
.cfn-pc__result-card--maybe {
    background: #fffbeb;
    border: 2px solid #fcd34d;
}
.cfn-pc__result-card--planned {
    background: #eff6ff;
    border: 2px solid #93c5fd;
}

.cfn-pc__result-icon {
    font-size: 2.8rem;
    margin-bottom: 0.5rem;
}
.cfn-pc__result-heading {
    font-size: 1.35rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
}
.cfn-pc__result-address {
    font-size: 0.9rem;
    color: #555;
    margin-bottom: 1rem;
}
.cfn-pc__result-body {
    font-size: 1rem;
    color: #333;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

/* ---- Package grid (shown on "yes") ---- */
.cfn-pc__packages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-top: 1.25rem;
}
.cfn-pc__package {
    background: #fff;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    padding: 1.25rem 1rem;
    text-align: center;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.cfn-pc__package:hover {
    border-color: #0057b8;
    box-shadow: 0 2px 12px rgba(0, 87, 184, 0.12);
}
.cfn-pc__package-speed {
    font-size: 1.6rem;
    font-weight: 800;
    color: #0057b8;
}
.cfn-pc__package-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #888;
    margin-bottom: 0.5rem;
}
.cfn-pc__package-price {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}
.cfn-pc__package .cfn-pc__btn {
    width: 100%;
    padding: 0.6rem 0;
    font-size: 0.9rem;
}

/* ---- Register interest form ---- */
.cfn-pc__register-form {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 360px;
    margin: 0 auto;
    text-align: left;
}
.cfn-pc__register-form input {
    padding: 0.7rem 0.9rem;
    font-size: 0.95rem;
    border: 2px solid #d0d5dd;
    border-radius: 8px;
    outline: none;
    transition: border-color 0.2s;
}
.cfn-pc__register-form input:focus {
    border-color: #0057b8;
}
.cfn-pc__register-form .cfn-pc__btn {
    margin-top: 0.25rem;
}
.cfn-pc__register-success {
    color: #16a34a;
    font-weight: 600;
    font-size: 1rem;
    margin-top: 0.75rem;
}

/* ---- Loading overlay ---- */
.cfn-pc__loading {
    display: none;
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.85);
    border-radius: 10px;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 10;
}
.cfn-pc__loading--visible {
    display: flex;
}
.cfn-pc__spinner {
    width: 36px;
    height: 36px;
    border: 4px solid #e5e7eb;
    border-top-color: #0057b8;
    border-radius: 50%;
    animation: cfnSpin 0.7s linear infinite;
}
@keyframes cfnSpin {
    to { transform: rotate(360deg); }
}
.cfn-pc__loading p {
    margin-top: 0.75rem;
    font-size: 0.95rem;
    color: #555;
}

/* ---- Responsive ---- */
@media (max-width: 540px) {
    .cfn-pc__input-group {
        flex-direction: column;
    }
    .cfn-pc__title {
        font-size: 1.3rem;
    }
    .cfn-pc__packages {
        grid-template-columns: 1fr;
    }
}