/* core/static/core/css/public.css
 * Shared design tokens + brand mark for the unauthenticated surfaces (landing, login,
 * privacy, terms). These pages deliberately do NOT extend core/base.html; this file
 * is the single source of truth for their visual language.
 */

:root {
    --castor-primary: #3b82f6;
    --castor-blue-light: #4facfe;
    --castor-blue-cyan: #00f2fe;
    --castor-deep-blue: #1a237e;
    --castor-bg: #050505;
    --castor-surface: #0f0f10;
    --castor-border: #1f2024;
    --castor-text: #e7e7e7;
    --castor-text-muted: #a4a6ab;
    --castor-text-faint: #6b7076;
}

body {
    background: var(--castor-bg);
    color: var(--castor-text);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
}

/* CastorIQ wordmark — the public brand mark.
 * "Castor" reads as the established short name (white→light blue gradient);
 * "IQ" is the new identifier (solid cyan, slightly heavier weight).
 * Used on landing nav, hero callouts, login card header, footers.
 */
.castoriq-wordmark {
    font-family: 'Inter', sans-serif;
    letter-spacing: -0.02em;
    display: inline-flex;
    align-items: baseline;
    gap: 0;
}
.castoriq-wordmark .cw-prefix {
    font-weight: 700;
    background: linear-gradient(90deg, #ffffff 0%, var(--castor-blue-light) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.castoriq-wordmark .cw-iq {
    font-weight: 800;
    color: var(--castor-blue-cyan);
    letter-spacing: -0.04em;
    margin-left: 0.04em;
}

/* Generic inline gradient highlight for hero callouts and feature emphasis.
 * NOT a brand mark — use this for any phrase that should pop in the cyan/blue
 * gradient. Reserve .castoriq-wordmark for the literal "CastorIQ" mark. */
.gradient-accent {
    background: linear-gradient(90deg, var(--castor-blue-light), var(--castor-blue-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Shared form controls — dark inputs with blue focus halo. */
.castor-public .form-control,
.castor-public .form-select {
    background: #1a1b1f;
    border: 1px solid var(--castor-border);
    color: var(--castor-text);
}
.castor-public .form-control:focus,
.castor-public .form-select:focus {
    background: #1a1b1f;
    border-color: var(--castor-primary);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.15);
    color: var(--castor-text);
}

/* Primary button used across the public surfaces. */
.castor-public .btn-primary {
    background: var(--castor-primary);
    border-color: var(--castor-primary);
}
.castor-public .btn-primary:hover {
    background: #2563eb;
    border-color: #2563eb;
}

/* Subtle link treatment for footer / nav. */
.castor-public a.subtle {
    color: var(--castor-text-muted);
    text-decoration: none;
}
.castor-public a.subtle:hover {
    color: var(--castor-text);
}

/* Help pill — identical contract to base.html's `.help-pill` so the affordance reads
 * the same as inside the app, even though these pages don't load base.html. */
.castor-public .help-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    border: 1px dashed rgba(255, 255, 255, 0.25);
    color: var(--castor-text-muted);
    background: transparent;
    padding: 0;
    line-height: 1;
    transition: all 0.15s ease;
}
.castor-public .help-pill:hover,
.castor-public .help-pill:focus {
    border-color: var(--castor-blue-light);
    color: var(--castor-blue-light);
    background: rgba(79, 172, 254, 0.08);
}

/* Honeypot field — hidden from humans, visible to dumb bots. */
.castor-public .honeypot {
    position: absolute;
    left: -10000px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.footer-note {
    color: var(--castor-text-faint);
    font-size: 0.85rem;
}