/* base.css - Global styles extracted from base.html */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Clip the few px a full-bleed (100vw) landing overhangs past the scrollbar.
 * Must sit on the root element: overflow on <body> doesn't propagate to the
 * viewport while <html> is visible. `clip` avoids a horizontal scroll container. */
html {
    overflow-x: clip;
}

body {
    font-family: var(--hc-font-sans);
    line-height: var(--hc-leading-normal);
    color: var(--hc-gray-700);
    /* Subtle brand glow over warm paper, fixed so it stays put while scrolling */
    background-color: var(--hc-gray-50);
    background-image:
        radial-gradient(900px 520px at 6% -8%,
            color-mix(in srgb, var(--hc-primary-500) 13%, transparent), transparent 60%),
        radial-gradient(820px 600px at 103% 2%,
            color-mix(in srgb, var(--hc-accent) 12%, transparent), transparent 55%),
        radial-gradient(760px 760px at 96% 102%,
            color-mix(in srgb, var(--hc-primary-600) 9%, transparent), transparent 60%);
    background-attachment: fixed;
    min-height: 100vh;
}

/* Skip link (WCAG 2.4.1 Bypass Blocks) — off-screen until keyboard-focused,
 * then it drops in at the top-left so keyboard users can jump past the navbar. */
.skip-link {
    position: absolute;
    left: var(--hc-space-2);
    top: calc(-1 * var(--hc-space-16));
    z-index: 1000;
    padding: var(--hc-space-2) var(--hc-space-4);
    background-color: var(--hc-surface-dark);
    color: var(--hc-navbar-text);
    text-decoration: none;
    font-weight: var(--hc-font-semibold);
    border-radius: var(--hc-radius-md);
    box-shadow: var(--hc-shadow-lg);
    transition: top var(--hc-transition-fast);
}

.skip-link:focus {
    top: var(--hc-space-2);
    outline: none;
    box-shadow: var(--hc-shadow-lg), var(--hc-shadow-focus);
}

h1, h2, h3, h4 {
    font-family: var(--hc-font-display);
    font-weight: var(--hc-font-semibold);
    letter-spacing: var(--hc-tracking-tight);
    color: var(--hc-gray-900);
    line-height: var(--hc-leading-tight);
}

.navbar {
    background-color: var(--hc-navbar-bg);
    padding: var(--hc-space-4) 0;
    box-shadow: var(--hc-shadow-sm);
}

.navbar .container {
    max-width: var(--hc-container-max);
    margin: 0 auto;
    padding: 0 var(--hc-space-5);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar .brand {
    text-decoration: none;
    color: var(--hc-navbar-text);
}

.brand-lockup {
    display: flex;
    align-items: center;
    gap: var(--hc-space-3);
    color: inherit;
}

.brand-mark {
    flex-shrink: 0;
    display: block;
}

.brand-word {
    font-family: var(--hc-font-display);
    font-size: var(--hc-text-2xl);
    font-weight: var(--hc-font-semibold);
    letter-spacing: var(--hc-tracking-tight);
    color: inherit;
}

.brand-final-e {
    position: relative;
}

.brand-maple {
    position: absolute;
    left: 50%;
    bottom: 100%;
    width: 0.72em;
    height: 0.8em;
    transform: translateX(-50%);
    margin-bottom: -0.22em;
    pointer-events: none;
}

.navbar .nav-links {
    display: flex;
    gap: var(--hc-space-5);
    align-items: center;
}

.navbar .nav-links a {
    color: var(--hc-navbar-text);
    text-decoration: none;
    padding: var(--hc-space-2) var(--hc-space-4);
    border-radius: var(--hc-radius-sm);
    transition: background-color var(--hc-transition-slow);
}

.navbar .nav-links span {
    color: var(--hc-navbar-text);
    opacity: 0.85;
}

.navbar .nav-links a:hover {
    background-color: var(--hc-glass-fill);
}

.btn {
    display: inline-block;
    padding: var(--hc-space-3) var(--hc-space-5);
    border: none;
    border-radius: var(--hc-radius-md);
    text-decoration: none;
    cursor: pointer;
    font-family: var(--hc-font-sans);
    font-size: var(--hc-text-sm);
    font-weight: var(--hc-font-medium);
    transition: background-color var(--hc-transition-fast);
}

.btn:focus-visible {
    outline: 2px solid var(--hc-primary-600);
    outline-offset: 2px;
}

/* On dark surfaces (navbar, hero photo) the focus ring must be light to show. */
.navbar .nav-links a:focus-visible,
.btn-ghost:focus-visible {
    outline: 2px solid var(--hc-white);
    outline-offset: 2px;
}

.btn-primary {
    background-color: var(--hc-primary-600);
    color: var(--hc-white);
}

.btn-primary:hover {
    background-color: var(--hc-primary-700);
}

.btn-secondary {
    background-color: var(--hc-gray-100);
    color: var(--hc-gray-700);
    border: 1px solid var(--hc-gray-200);
}

.btn-secondary:hover {
    background-color: var(--hc-gray-200);
}

/* Outline variant — base .btn sets border:none, so set the border explicitly
   here (otherwise Bootstrap's blue .btn-outline-primary leaks through). */
.btn-outline-primary {
    background-color: transparent;
    color: var(--hc-primary-700);
    border: 1px solid var(--hc-primary-300);
}

.btn-outline-primary:hover {
    background-color: var(--hc-primary-50);
    border-color: var(--hc-primary-600);
    color: var(--hc-primary-700);
}

/* Semantic variants (session outcomes, destructive confirms) — without these,
   Bootstrap's off-brand green/red leaks through, and the outline variant loses
   its border to the base .btn reset above. */
.btn-success {
    background-color: var(--hc-success-600);
    color: var(--hc-white);
}

.btn-success:hover {
    background-color: var(--hc-success-700);
    color: var(--hc-white);
}

.btn-danger {
    background-color: var(--hc-error-600);
    color: var(--hc-white);
}

.btn-danger:hover {
    background-color: var(--hc-error-800);
    color: var(--hc-white);
}

.btn-outline-danger {
    background-color: transparent;
    color: var(--hc-error-700);
    border: 1px solid var(--hc-error-500);
}

.btn-outline-danger:hover {
    background-color: var(--hc-error-50);
    border-color: var(--hc-error-600);
    color: var(--hc-error-700);
}

.btn-accent {
    background-color: var(--hc-accent);
    color: var(--hc-gray-900);
}

.btn-accent:hover {
    background-color: var(--hc-accent-600);
}

.btn-ghost {
    background-color: var(--hc-glass-fill);
    color: var(--hc-white);
    border: 1px solid var(--hc-glass-border-strong);
    backdrop-filter: blur(4px);
}

.btn-ghost:hover {
    background-color: var(--hc-glass-fill-strong);
}

.container {
    max-width: var(--hc-container-max);
    margin: 0 auto;
    padding: var(--hc-space-5);
}

.card {
    background: var(--hc-white);
    padding: var(--hc-space-8);
    border-radius: var(--hc-radius-xl);
    box-shadow: var(--hc-shadow-md);
    border: 1px solid var(--hc-gray-100);
    margin: var(--hc-space-5) 0;
}

a {
    color: var(--hc-primary-600);
}

.form-group {
    margin-bottom: var(--hc-space-5);
}

.form-group label {
    display: block;
    margin-bottom: var(--hc-space-1);
    font-weight: var(--hc-font-medium);
}

.form-group input {
    width: 100%;
    padding: var(--hc-space-3);
    border: 1px solid var(--hc-gray-200);
    border-radius: var(--hc-radius-md);
    font-size: var(--hc-text-base);
}

.form-group input:focus {
    outline: none;
    border-color: var(--hc-primary-500);
    box-shadow: var(--hc-shadow-focus);
}

.messages {
    margin: var(--hc-space-5) 0;
}

.message {
    padding: var(--hc-space-3) var(--hc-space-4);
    border-radius: var(--hc-radius-md);
    margin: var(--hc-space-1) 0;
}

.message.success {
    background-color: var(--hc-flash-success-bg);
    color: var(--hc-flash-success-text);
    border: 1px solid var(--hc-flash-success-border);
}

.message.error {
    background-color: var(--hc-flash-error-bg);
    color: var(--hc-flash-error-text);
    border: 1px solid var(--hc-flash-error-border);
}

.message.info {
    background-color: var(--hc-flash-info-bg);
    color: var(--hc-flash-info-text);
    border: 1px solid var(--hc-flash-info-border);
}

/* Site footer — one of the reserved dark-green anchor bands (see colour
 * allocation). Short, high-emphasis content only; light text on dark surface. */
.site-footer {
    margin-top: var(--hc-space-16);
    background-color: var(--hc-surface-dark);
    color: var(--hc-navbar-text);
    padding: var(--hc-space-10) 0;
}

.site-footer .container {
    max-width: var(--hc-container-max);
    margin: 0 auto;
    padding: 0 var(--hc-space-5);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--hc-space-3);
    text-align: center;
}

.footer-brand {
    text-decoration: none;
    color: var(--hc-navbar-text);
}

.footer-tagline {
    font-family: var(--hc-font-display);
    font-size: var(--hc-text-lg);
    margin: 0;
}

.footer-legal {
    font-size: var(--hc-text-sm);
    color: var(--hc-on-photo-muted);
    margin: 0;
}