/* Solution Finder (/solution) — uses the site tokens from site.css. */

.sf-hero-lead {
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin: 4px 0 12px;
}

.sf-card {
    max-width: 760px;
    margin: 0 auto;
    padding: 40px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-elevated);
    scroll-margin-top: calc(var(--nav-height) + 24px);
}

.sf-progress {
    height: 6px;
    background: var(--bg-card);
    border-radius: 999px;
    overflow: hidden;
    margin-bottom: 20px;
}

.sf-progress-bar {
    height: 100%;
    background: var(--accent-blue);
    border-radius: 999px;
    transition: width var(--transition-base);
}

.sf-step-meta {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent-blue);
    margin-bottom: 8px;
}

.sf-question {
    font-size: clamp(1.3rem, 2.6vw, 1.7rem);
    margin-bottom: 8px;
}

.sf-hint {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0;
}

.sf-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 24px;
}

.sf-option {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 14px 16px;
    text-align: left;
    font: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.sf-option:hover {
    border-color: rgba(var(--accent-blue-rgb), 0.5);
    transform: translateY(-1px);
}

.sf-option:focus-visible {
    outline: 3px solid rgba(var(--accent-blue-rgb), 0.35);
    outline-offset: 2px;
}

.sf-option.is-on {
    border-color: var(--accent-blue);
    background: rgba(var(--accent-blue-rgb), 0.06);
}

.sf-tick {
    flex: 0 0 20px;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    position: relative;
    transition: all var(--transition-fast);
}

.sf-options.multi .sf-tick {
    border-radius: 6px;
}

.sf-option.is-on .sf-tick {
    border-color: var(--accent-blue);
    background: var(--accent-blue);
}

.sf-option.is-on .sf-tick::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 1px;
    width: 6px;
    height: 11px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.sf-form {
    display: grid;
    gap: 8px;
    margin-top: 24px;
}

.sf-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: 8px;
}

.sf-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-top: 32px;
}

.sf-nav .btn[disabled] {
    opacity: 0.45;
    cursor: not-allowed;
}

/* ---- result ---- */
.sf-result-title {
    font-size: clamp(1.6rem, 3.4vw, 2.2rem);
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.sf-result-summary {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.sf-subhead {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin: 28px 0 12px;
}

.sf-caps {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 20px;
}

.sf-caps li {
    position: relative;
    padding-left: 28px;
    font-weight: 500;
    color: var(--text-primary);
}

.sf-caps li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    top: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(var(--accent-blue-rgb), 0.12);
    color: var(--accent-blue);
    font-size: 0.75rem;
    font-weight: 800;
    display: grid;
    place-items: center;
}

.sf-next {
    margin-top: 32px;
    padding: 24px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
}

.sf-next .sf-subhead {
    margin-top: 0;
}

.sf-next p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.sf-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.sf-restart {
    display: block;
    margin: 24px auto 0;
    background: none;
    border: none;
    font: inherit;
    font-size: 0.85rem;
    color: var(--text-muted);
    cursor: pointer;
}

.sf-restart:hover {
    color: var(--text-primary);
}

@media (max-width: 640px) {
    .sf-card {
        padding: 24px 18px;
        border-radius: var(--radius-lg);
    }

    .sf-options,
    .sf-caps {
        grid-template-columns: 1fr;
    }

    .sf-actions .btn {
        width: 100%;
        text-align: center;
    }
}