:root {
    --bg: #f5f7fb;
    --surface: #ffffff;
    --surface-soft: #eef3f8;
    --text: #172033;
    --text-soft: #667085;
    --border: #d9e1ea;
    --accent: #1f6feb;
    --accent-hover: #1759bd;
    --shadow: 0 18px 50px rgba(23, 32, 51, 0.08);

    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 28px;

    --page-width: 1180px;
}


/* ========================================
   RESET
======================================== */

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    background:
        radial-gradient(circle at top right,
            rgba(31, 111, 235, 0.08),
            transparent 34%),
        var(--bg);
    color: var(--text);
}

button,
input,
select,
textarea {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

button {
    cursor: pointer;
}


/* ========================================
   PAGE
======================================== */

.assessment-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}


/* ========================================
   HEADER
======================================== */

.assessment-header {
    width: min(calc(100% - 40px), var(--page-width));
    margin: 0 auto;
    min-height: 92px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.assessment-brand {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.assessment-logo {
    display: block;
    width: min(240px, 52vw);
    height: auto;
}

.assessment-back-link {
    color: var(--text-soft);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition:
        color 160ms ease,
        transform 160ms ease;
}

.assessment-back-link:hover {
    color: var(--accent);
    transform: translateX(-2px);
}


/* ========================================
   MAIN
======================================== */

.assessment-main {
    width: min(calc(100% - 40px), 920px);
    margin: auto;
    padding: 54px 0 72px;
}


/* ========================================
   INTRODUCTION
======================================== */

.assessment-intro {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
}

.assessment-eyebrow {
    margin: 0 0 14px;
    color: var(--accent);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.assessment-intro h1 {
    margin: 0;
    font-size: clamp(2.3rem, 6vw, 4.9rem);
    line-height: 0.98;
    letter-spacing: -0.05em;
}

.assessment-intro-text {
    max-width: 680px;
    margin: 26px auto 0;
    color: var(--text-soft);
    font-size: clamp(1rem, 2vw, 1.2rem);
    line-height: 1.75;
}

.assessment-intro-note {
    max-width: 640px;
    margin: 20px auto 0;
    padding: 16px 18px;

    background: rgba(255, 255, 255, 0.68);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);

    color: var(--text-soft);
    line-height: 1.65;
}

.assessment-start-button {
    margin-top: 32px;
    min-height: 54px;
    padding: 0 28px;

    border: 0;
    border-radius: 999px;

    background: var(--accent);
    color: #ffffff;

    font-weight: 800;
    box-shadow: 0 12px 30px rgba(31, 111, 235, 0.2);

    transition:
        transform 160ms ease,
        background-color 160ms ease,
        box-shadow 160ms ease;
}

.assessment-start-button:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 16px 36px rgba(31, 111, 235, 0.25);
}

.assessment-start-button:active {
    transform: translateY(0);
}


/* ========================================
   WORKSPACE
======================================== */

.assessment-workspace {
    max-width: 820px;
    margin: 0 auto;
}

.assessment-workspace[hidden] {
    display: none;
}


/* ========================================
   PROGRESS
======================================== */

.assessment-progress {
    margin-bottom: 22px;
}

.assessment-progress-top {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;

    color: var(--text-soft);
    font-size: 0.9rem;
    font-weight: 700;
}

.assessment-progress-track {
    width: 100%;
    height: 8px;
    overflow: hidden;

    background: #dfe7ef;
    border-radius: 999px;
}

.assessment-progress-bar {
    width: 16.666%;
    height: 100%;

    background: var(--accent);
    border-radius: inherit;

    transition: width 240ms ease;
}


/* ========================================
   FORM CARD
======================================== */

.assessment-form {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.assessment-step-container {
    min-height: 390px;
    padding: clamp(28px, 5vw, 54px);
}


/* ========================================
   FUTURE QUESTION ELEMENTS
======================================== */

.assessment-step-title {
    margin: 0;
    font-size: clamp(1.65rem, 3vw, 2.4rem);
    line-height: 1.1;
    letter-spacing: -0.035em;
}

.assessment-step-description {
    margin: 14px 0 0;
    color: var(--text-soft);
    font-size: 1rem;
    line-height: 1.7;
}

.assessment-field-group {
    margin-top: 30px;
}

.assessment-label {
    display: block;
    margin-bottom: 10px;
    color: var(--text);
    font-size: 0.95rem;
    font-weight: 750;
}

.assessment-input,
.assessment-select,
.assessment-textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: #ffffff;
    color: var(--text);

    outline: none;

    transition:
        border-color 160ms ease,
        box-shadow 160ms ease;
}

.assessment-input,
.assessment-select {
    min-height: 50px;
    padding: 0 15px;
}

.assessment-textarea {
    min-height: 130px;
    padding: 14px 15px;
    resize: vertical;
    line-height: 1.6;
}

.assessment-input:focus,
.assessment-select:focus,
.assessment-textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(31, 111, 235, 0.1);
}


/* ========================================
   NAVIGATION
======================================== */

.assessment-navigation {
    padding: 20px clamp(28px, 5vw, 54px);
    border-top: 1px solid var(--border);
    background: var(--surface-soft);

    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
}

.assessment-button {
    min-height: 46px;
    padding: 0 22px;

    border-radius: 999px;

    font-weight: 800;

    transition:
        transform 160ms ease,
        background-color 160ms ease,
        border-color 160ms ease;
}

.assessment-button:hover {
    transform: translateY(-1px);
}

.assessment-button-primary {
    border: 1px solid var(--accent);
    background: var(--accent);
    color: #ffffff;
}

.assessment-button-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.assessment-button-secondary {
    border: 1px solid var(--border);
    background: #ffffff;
    color: var(--text);
}

.assessment-button-secondary:hover {
    border-color: #b9c6d4;
}


/* ========================================
   FOOTER
======================================== */

.assessment-footer {
    width: min(calc(100% - 40px), var(--page-width));
    margin: 0 auto;
    padding: 26px 0 34px;

    display: flex;
    justify-content: space-between;
    gap: 18px;

    border-top: 1px solid var(--border);

    color: var(--text-soft);
    font-size: 0.82rem;
}

.assessment-footer p {
    margin: 0;
}


/* ========================================
   RESPONSIVE
======================================== */

@media (max-width: 680px) {

    .assessment-header {
        width: min(calc(100% - 28px), var(--page-width));
        min-height: 76px;
    }

    .assessment-logo {
        width: min(190px, 56vw);
    }

    .assessment-back-link {
        font-size: 0.85rem;
    }

    .assessment-main {
        width: min(calc(100% - 28px), 920px);
        padding: 34px 0 54px;
    }

    .assessment-intro h1 {
        font-size: clamp(2.15rem, 12vw, 3.6rem);
    }

    .assessment-step-container {
        min-height: 340px;
        padding: 28px 22px;
    }

    .assessment-navigation {
        padding: 18px 22px;
    }

    .assessment-footer {
        width: min(calc(100% - 28px), var(--page-width));
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

}