/*
    This follows a purple theme specific to CTW. 
    There is an override at the bottom of this file which replaces the purples with the Cognisoft blue.

    Any changes to make this look more like Cognisoft should be done at the bottom. I'll look at separating this out.
*/

:root {
    --govuk-bg: #fff;
    --govuk-text: #0b0c0c;
    --govuk-link: #1d70b8;
    --govuk-link-hover: #003078;
    --govuk-link-visited: #4c2c92;
    --govuk-border: #b1b4b6;
    --govuk-focus: #ffdd00;
    --govuk-error: #d4351c;
    --govuk-success: #00703c;
    --govuk-muted: #505a5f;
    --govuk-panel: #f3f2f1;
    --brand: #8c40ce;
    --brand-600: #7736af;
    --brand-300: #a149ec;
    --brand-lockup: url('/assets/connect-to-work-logo-cogni.png');
    --brand-lockup-height: 84px;
    --field-pad-y: .55rem;
    --field-pad-x: .7rem;
    --glass-bg: color-mix(in srgb,#ffffff 70%,transparent);
    --glass-bg-soft: color-mix(in srgb,#ffffff 58%,transparent);
    --glass-border: color-mix(in srgb,var(--brand) 16%,#ffffff 60%);
    --glass-border-soft: color-mix(in srgb,var(--brand) 10%,#ffffff 60%);
    --glass-shadow: 0 10px 28px rgba(11,12,12,.10), inset 0 1px 0 rgba(255,255,255,.35);
    --glass-radius: 12px;
    --glass-blur: 14px;
    --ease: cubic-bezier(.2,.8,.2,1);
    --fast: .18s;
    --bg-hue: 275;
    --bg-shift: 0px;
    --bg-shift-2: 0px;
}

html {
    background: var(--govuk-bg);
}

body {
    background: transparent;
    color: var(--govuk-text);
    font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif;
    line-height: 1.5;
    position: relative;
    z-index: 0;
}

a {
    color: var(--govuk-link);
}

    a:hover {
        color: var(--govuk-link-hover);
    }

    a:visited {
        color: var(--govuk-link-visited);
    }

h1 {
    margin-bottom: 2rem;
}

.parent-container {
    position: relative;
    padding-top: calc(var(--brand-lockup-height) + 2.25rem);
}

    .parent-container::before {
        content: "";
        position: absolute;
        left: 0;
        right: 0;
        top: 1rem;
        margin-inline: auto;
        width: min(520px,88vw);
        height: var(--brand-lockup-height);
        background: var(--brand-lockup) no-repeat center/contain;
        pointer-events: none;
        animation: ctw-fade-down .6s var(--ease) .05s both;
    }

    .parent-container::after {
        content: "";
        position: absolute;
        left: 0;
        right: 0;
        top: 0;
        height: 6px;
        background: linear-gradient(90deg,var(--brand),var(--brand-300));
    }

    .parent-container .display-4 {
        font-weight: 800;
        letter-spacing: .01em;
        animation: ctw-fade-up .5s var(--ease) .15s both;
    }

.row {
    row-gap: 1rem;
}

.ft-8-container {
    text-align: left;
}

.cs-input-container {
    padding-bottom: .25rem;
}

    .cs-input-container[data-keyname] {
        padding-bottom: .75rem;
        margin-bottom: .75rem;
    }

    .cs-input-container .form-check {
        text-align: left;
    }

.parent-container form.needs-validation {
    max-width: 980px;
    margin: 0 auto;
    padding: 1.25rem 1.25rem 1.5rem;
    background: var(--glass-bg);
    border-radius: var(--glass-radius);
    box-shadow: var(--glass-shadow),0 1px 0 rgba(255,255,255,.45) inset;
    -webkit-backdrop-filter: blur(var(--glass-blur));
    backdrop-filter: blur(var(--glass-blur));
    animation: ctw-fade .4s ease-out .2s both;
}

fieldset {
    position: relative;
    margin: 0 0 1.25rem;
    padding: .75rem .75rem 1rem;
    background: var(--glass-bg-soft);
    border-radius: 10px;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.25);
    -webkit-backdrop-filter: blur(calc(var(--glass-blur)*.7));
    backdrop-filter: blur(calc(var(--glass-blur)*.7));
}

legend {
    width: 100%;
    margin: 0 0 .75rem;
    padding: 0 0 .5rem;
    font-weight: 800;
    font-size: 1.375rem;
    line-height: 1.2;
    border: 0;
    border-bottom: 3px solid var(--brand);
}

label.form-label, .form-check-label {
    margin-bottom: .35rem;
}

.form-control, .form-select, textarea,
input[type="text"], input[type="date"], select {
    width: 100%;
    padding: var(--field-pad-y) var(--field-pad-x);
    border: 1px solid color-mix(in srgb,var(--brand) 12%,#000 8%);
    border-radius: 0;
    color: var(--govuk-text);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.35);
    appearance: none;
}

    .form-control::placeholder {
        color: #6f777b;
    }

.form-select {
    background-clip: padding-box;
}

    .form-control:focus, .form-select:focus, textarea:focus,
    button:focus, a:focus, [tabindex]:focus {
        outline: 3px solid transparent;
        box-shadow: 0 0 0 2px color-mix(in srgb,var(--brand) 20%,transparent), 0 -2px 0 0 var(--govuk-focus), 0 4px 0 0 var(--govuk-text);
        border-color: color-mix(in srgb,var(--brand) 40%,#000 0%);
    }

    .form-control:disabled, .form-select:disabled, .btn:disabled {
        background: #e6e6e6;
        color: #6b6e70;
        cursor: not-allowed;
    }

.form-check {
    margin: .25rem 0;
}

.form-check-input {
    width: 1.1rem;
    height: 1.1rem;
    margin-right: .45rem;
    border: 2px solid var(--govuk-text);
    border-radius: 0;
    appearance: none;
    position: relative;
    vertical-align: middle;
    background: color-mix(in srgb,#ffffff 80%,transparent);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.35);
    transition: transform var(--fast) var(--ease),border-color var(--fast) var(--ease),background-color var(--fast) var(--ease);
}

    .form-check-input[type="radio"] {
        border-radius: 50%;
    }

    .form-check-input:checked {
        background: var(--brand);
        border-color: var(--brand);
    }

    .form-check-input:active {
        outline: 3px solid transparent;
        box-shadow: 0 -2px 0 0 var(--govuk-focus),0 4px 0 0 var(--govuk-text);
    }

.text-danger, .invalid-feedback {
    color: var(--govuk-error) !important;
}

.invalid-feedback {
    display: none;
    margin-top: .4rem;
}

.was-validated .form-control:invalid,
.was-validated .form-select:invalid,
.was-validated textarea:invalid,
.is-invalid, .form-control.is-invalid, .form-select.is-invalid, textarea.is-invalid {
    border: 2px solid var(--govuk-error);
}

.alert {
    border-radius: 10px;
    background: color-mix(in srgb,#ffffff 70%,transparent);
    -webkit-backdrop-filter: blur(calc(var(--glass-blur)*.6));
    backdrop-filter: blur(calc(var(--glass-blur)*.6));
    border: 1px solid color-mix(in srgb,var(--govuk-error) 25%,#ffffff 55%);
}

.alert-danger {
    color: #6a120c;
}

.btn {
    border-radius: 8px;
    font-weight: 700;
    transition: transform var(--fast) var(--ease),box-shadow var(--fast) var(--ease);
}

.btn-primary {
    background: linear-gradient(180deg,color-mix(in srgb,var(--brand) 92%,#fff) 0%,var(--brand) 100%);
    border-color: color-mix(in srgb,var(--brand) 80%,#000 0%);
    color: #fff;
    box-shadow: 0 6px 18px rgba(140,64,206,.25);
}

    .btn-primary:hover, .btn-primary:focus {
        transform: translateY(-1px);
        box-shadow: 0 10px 24px rgba(140,64,206,.32);
    }

.btn-outline-primary {
    background: color-mix(in srgb,#ffffff 70%,transparent);
    border-color: color-mix(in srgb,var(--brand) 60%,#fff 0%);
    color: var(--brand);
    -webkit-backdrop-filter: blur(calc(var(--glass-blur)*.5));
    backdrop-filter: blur(calc(var(--glass-blur)*.5));
}

    .btn-outline-primary:hover, .btn-outline-primary:focus {
        background: color-mix(in srgb,var(--brand) 12%,#ffffff 70%);
        color: #fff;
    }

.brand-bar {
    background: var(--brand);
    color: #fff;
    padding: .75rem 1rem;
    font-weight: 800;
}

.text-brand {
    color: var(--brand) !important;
}

.border-brand {
    border-color: var(--brand) !important;
}

.badge-brand {
    background: var(--brand);
    color: #fff;
}

@keyframes ctw-fade {
    from {
        opacity: 0
    }

    to {
        opacity: 1
    }
}

@keyframes ctw-fade-up {
    from {
        opacity: 0;
        transform: translateY(6px)
    }

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

@keyframes ctw-fade-down {
    from {
        opacity: 0;
        transform: translateY(-6px)
    }

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

@keyframes ctw-focus-pop {
    from {
        box-shadow: 0 -2px 0 0 var(--govuk-focus),0 0 0 0 var(--govuk-text)
    }

    to {
        box-shadow: 0 -2px 0 0 var(--govuk-focus),0 4px 0 0 var(--govuk-text)
    }
}

@keyframes ctw-check-bounce {
    0% {
        transform: scale(.92)
    }

    100% {
        transform: scale(1)
    }
}

@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))) {
    .parent-container form.needs-validation,
    fieldset,
    .btn-outline-primary,
    .alert {
        background: #fff;
    }
}

html::before, html::after {
    content: none !important;
}

body::before, body::after {
    content: "";
    position: fixed;
    inset: -10vmax;
    z-index: 0;
    pointer-events: none;
    filter: saturate(105%);
    will-change: transform,background,opacity;
}

body::before {
    transform: translateY(var(--bg-shift));
    clip-path: polygon(0 0,75% 0,55% 35%,100% 55%,100% 100%,0 100%);
    background: radial-gradient(120% 80% at 20% 10%,hsl(var(--bg-hue) 62% 12% /.10),transparent 60%), radial-gradient(140% 100% at 80% 0%,hsl(calc(var(--bg-hue) + 20) 80% 12% /.10),transparent 60%), linear-gradient(135deg,hsl(var(--bg-hue) 85% 96% /.85) 0%,hsl(var(--bg-hue) 85% 98% /.55) 40%,hsl(var(--bg-hue) 85% 99% / 0) 70%);
}

body::after {
    transform: translateY(var(--bg-shift-2));
    clip-path: polygon(100% 100%,25% 100%,45% 65%,0 45%,0 0,100% 0);
    background: conic-gradient(from 220deg at 70% 70%,hsl(calc(var(--bg-hue) - 30) 80% 99% /.10),transparent 25%,hsl(calc(var(--bg-hue) + 10) 80% 99% /.10),transparent 50%,hsl(calc(var(--bg-hue) + 30) 80% 60% /.10),transparent 100%), linear-gradient(215deg,hsl(calc(var(--bg-hue) - 12) 85% 97% /.70) 0%,hsl(calc(var(--bg-hue) + 8) 85% 99% / 0) 60%);
    z-index: -1;
    filter: drop-shadow(0 12px 28px rgba(11, 12, 12, .10));
}

@media (max-width:576px) {
    :root {
        --brand-lockup-height: 64px;
    }

    .parent-container {
        padding-top: calc(var(--brand-lockup-height) + 1.75rem);
    }
}

footer.footer {
    position: relative;
    z-index: 1;
    margin-top: auto;
    min-height: 112px;
    padding: 1.25rem 0 1.5rem;
    padding-bottom: calc(1.5rem + env(safe-area-inset-bottom, 0px));
    background: linear-gradient(to bottom, var(--brand-600) 0%, var(--brand) 100%) !important;
    color: #fff !important;
    border-top: 0;
    box-shadow: 0 -8px 24px rgba(11,12,12,.12);
    display: flex;
    align-items: center;
}

    footer.footer .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: .75rem;
        width: 100%;
    }

    footer.footer a {
        color: #fff;
        text-decoration: underline;
        text-underline-offset: 2px;
    }

        footer.footer a:hover {
            opacity: .9;
        }

@media (max-width: 576px) {
    footer.footer .container {
        flex-direction: column;
        text-align: center;
    }
}


/* override to make this the cognisoft blue theme colour */
:root {
    /* brand: switched from purple to blue */
    --brand: #1c437c; /* base */
    --brand-600: #163663; /* darker */
    --brand-300: #3877d2; /* lighter */
    /* shift background hue from purple (~275) to blue (~216) */
    --bg-hue: 216;
}

/* update the purple-tinted shadows to blue */
.btn-primary {
    box-shadow: 0 6px 18px rgba(28,67,124,.25);
}

    .btn-primary:hover,
    .btn-primary:focus {
        box-shadow: 0 10px 24px rgba(28,67,124,.32);
    }