:root {
    --pp-canvas: #eef3f8;
    --pp-navy: #1a2f4a;
    --pp-primary: #2c5282;
    --pp-primary-dark: #203e63;
    --pp-secondary: #7ba7c7;
    --pp-surface: #ffffff;
    --pp-surface-soft: #f6f9fc;
    --pp-border: #cbd9e7;
    --pp-muted: #52677c;
    --pp-emergency: #dc2626;
    --pp-emergency-dark: #b91c1c;
    --pp-emergency-soft: #fef2f2;
    --pp-warning: #e8960d;
    --pp-warning-soft: #fff8e6;
    --pp-success: #166534;
    --pp-success-soft: #f0fdf4;
    --pp-focus: #122b4a;
    --pp-radius-sm: 0.75rem;
    --pp-radius-md: 1rem;
    --pp-radius-lg: 1.5rem;
    --pp-shadow: 0 1rem 3rem rgba(26, 47, 74, 0.12);
    --ink: var(--pp-navy);
    --muted: var(--pp-muted);
    --surface: var(--pp-surface);
    --surface-soft: var(--pp-surface-soft);
    --accent: var(--pp-primary);
    --accent-dark: var(--pp-primary-dark);
    --line: var(--pp-border);
    --focus: var(--pp-focus);
    --danger: var(--pp-emergency-dark);
    --radius-small: var(--pp-radius-sm);
    --radius-large: var(--pp-radius-lg);
    --shadow: var(--pp-shadow);
}

* { box-sizing: border-box; }

html {
    color: var(--pp-navy);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 100%;
    line-height: 1.5;
    scroll-behavior: smooth;
    scroll-padding: .5rem;
}

body { background: var(--pp-canvas); margin: 0; min-height: 100dvh; }
button, input, select, textarea { font: inherit; }
a { color: var(--pp-primary); }

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
    /* Two contrasting rings remain visible on light, navy and emergency surfaces. */
    outline: 2px solid #fff !important;
    outline-offset: 2px !important;
    box-shadow: 0 0 0 6px #122b4a !important;
}

@media (forced-colors: active) {
    :is(a, button, input, select, summary, textarea, [tabindex]):focus-visible {
        outline: 3px solid Highlight !important;
        outline-offset: 3px !important;
        box-shadow: none !important;
    }
}

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 {
    color: var(--pp-navy);
    font-family: inherit;
    font-weight: 750;
    letter-spacing: -0.025em;
}

.skip-link {
    background: var(--pp-navy);
    border-radius: var(--pp-radius-sm);
    color: var(--pp-surface);
    left: 1rem;
    padding: 0.75rem 1rem;
    position: fixed;
    top: -5rem;
    z-index: 100;
}

.skip-link:focus { top: 1rem; }

.passport-brand {
    align-items: center;
    color: var(--pp-navy);
    display: inline-flex;
    gap: 0.75rem;
    min-height: 2.75rem;
    text-decoration: none;
}

.passport-brand__mark {
    border-radius: 0.7rem;
    display: block;
    flex: 0 0 auto;
    height: 2.75rem;
    width: 2.75rem;
}

.passport-brand__copy { display: grid; line-height: 1.15; }
.passport-brand__copy strong { font-size: 0.95rem; letter-spacing: 0.01em; }
.passport-brand__copy small { color: var(--pp-muted); font-size: 0.7rem; margin-top: 0.2rem; }

.eyebrow {
    color: var(--pp-primary);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    margin: 0 0 0.75rem;
    text-transform: uppercase;
}

.button {
    align-items: center;
    border: 0.125rem solid transparent;
    border-radius: var(--pp-radius-sm);
    cursor: pointer;
    display: inline-flex;
    font-weight: 750;
    justify-content: center;
    min-height: 3rem;
    padding: 0.7rem 1.25rem;
    text-align: center;
    text-decoration: none;
    transition: background-color 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.button:hover { transform: translateY(-0.0625rem); }
.button-primary { background: var(--pp-primary); color: var(--pp-surface); }
.button-primary:hover { background: var(--pp-primary-dark); color: var(--pp-surface); }
.button-secondary { background: var(--pp-surface); border-color: var(--pp-primary); color: var(--pp-primary); }
.button-secondary:hover { background: #e8f0f8; }
.button-emergency { background: var(--pp-emergency); color: var(--pp-surface); }
.button-emergency:hover { background: var(--pp-emergency-dark); color: var(--pp-surface); }
.button-full { width: 100%; }

.message {
    border: 0.0625rem solid var(--pp-border);
    border-radius: var(--pp-radius-md);
    margin: 1rem auto;
    max-width: 42rem;
    padding: 0.9rem 1rem;
}

.message.error { background: var(--pp-emergency-soft); border-color: #fecaca; color: var(--pp-emergency-dark); }
.message.success { background: var(--pp-success-soft); border-color: #bbf7d0; color: var(--pp-success); }
.message.warning, .message.info { background: var(--pp-warning-soft); border-color: #fde68a; color: #7c4a03; }

@media (forced-colors: active) {
    .button, .message { border: 0.125rem solid CanvasText; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}