/**
 * LBC Global CSS - ENHANCED VERSION
 * 
 * Global styles applied across all pages.
 * Includes UI/UX improvements, accessibility enhancements,
 * and responsive design patterns.
 *
 * @package LBC_Theme
 * @version 1.1.0
 */

/* =============================================================================
   BASE RESET & DEFAULTS
   ============================================================================= */

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--lbc-text);
    background-color: #fff;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    z-index: 9999;
    padding: 1rem 2rem;
    background: var(--lbc-navy);
    color: #fff;
    text-decoration: none;
    font-weight: var(--font-weight-bold);
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 0;
}

/* =============================================================================
   TYPOGRAPHY
   ============================================================================= */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--lbc-navy);
    margin-top: 0;
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-sm); }

p {
    margin-top: 0;
    margin-bottom: 1em;
}

p:last-child {
    margin-bottom: 0;
}

a {
    color: var(--lbc-gold);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
    transition: var(--transition-colors);
}

a:hover {
    color: var(--lbc-gold-hover);
}

/* Focus states for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--lbc-gold);
    outline-offset: 2px;
}

/* Remove focus outline when using mouse */
:focus:not(:focus-visible) {
    outline: none;
}

strong, b {
    font-weight: var(--font-weight-bold);
}

small {
    font-size: var(--font-size-sm);
}

/* =============================================================================
   LAYOUT CONTAINERS
   ============================================================================= */

.container {
    width: 100%;
    max-width: var(--container-xl);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.container--narrow {
    max-width: var(--container-md);
}

.container--wide {
    max-width: var(--container-2xl);
}

/* =============================================================================
   SECTION PATTERNS
   ============================================================================= */

.section {
    padding: var(--space-12) 0;
}

.section--sm {
    padding: var(--space-8) 0;
}

.section--lg {
    padding: var(--space-16) 0;
}

.section--white {
    background-color: #fff;
}

.section--cream {
    background-color: var(--lbc-cream);
}

.section--navy {
    background-color: var(--lbc-navy);
    color: var(--lbc-text-inverse);
}

.section--navy h1,
.section--navy h2,
.section--navy h3,
.section--navy h4 {
    color: #fff;
}

/* Section Header Pattern - Centered by default */
.section-header {
    max-width: 700px;
    margin-bottom: var(--space-10);
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

/* Legacy class for explicit centering */
.section-header.text-center {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

/* Left-aligned variant when needed */
.section-header.text-left {
    text-align: left;
    margin-left: 0;
    margin-right: 0;
}

.section-kicker {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--lbc-gold);
    margin-bottom: var(--space-3);
}

.section-title {
    margin-bottom: var(--space-4);
}

.section-lead {
    font-size: var(--font-size-md);
    color: var(--lbc-text-soft);
    line-height: var(--line-height-relaxed);
    text-align: center;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* =============================================================================
   BUTTONS
   ============================================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 999px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn:active {
    transform: translateY(0);
}

/* Primary Button - Gold Gradient */
.btn-primary,
.btn--primary {
    background: linear-gradient(135deg, var(--lbc-gold), #facc6b);
    color: var(--lbc-navy);
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(208, 167, 95, 0.3);
}

.btn-primary:hover,
.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(208, 167, 95, 0.4);
}

/* Secondary Button - Navy */
.btn-secondary,
.btn--secondary {
    background: var(--lbc-navy);
    color: #fff;
    border-color: var(--lbc-navy);
}

.btn-secondary:hover,
.btn--secondary:hover {
    background: var(--lbc-navy-soft);
    border-color: var(--lbc-navy-soft);
    color: #fff;
    transform: translateY(-2px);
}

/* Outline Button - For hero sections on dark backgrounds */
.btn-outline,
.btn--outline {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.4);
    color: #fff;
}

.btn-outline:hover,
.btn--outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

/* Dark Outline variant for light backgrounds */
.btn-outline-dark,
.btn--outline-dark {
    background: transparent;
    color: var(--lbc-navy);
    border-color: var(--lbc-navy);
}

.btn-outline-dark:hover,
.btn--outline-dark:hover {
    background: var(--lbc-navy);
    color: #fff;
}

/* Light variant for dark backgrounds (alias) */
.btn-outline-light,
.btn--outline-light {
    background: transparent;
    color: #fff;
    border-color: #fff;
}

.btn-outline-light:hover,
.btn--outline-light:hover {
    background: #fff;
    color: var(--lbc-navy);
}

/* Button Sizes */
.btn-sm,
.btn--sm {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

.btn-lg,
.btn--lg {
    padding: 1rem 2rem;
    font-size: 0.9rem;
}

/* Full Width Button */
.btn-block,
.btn--block {
    display: flex;
    width: 100%;
}

/* =============================================================================
   CTA SECTION - Global Styles
   ============================================================================= */
.cta-section {
    padding: 3.5rem 0 4rem;
    background: var(--lbc-cream);
    border-top: 1px solid rgba(148, 163, 184, 0.15);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    padding: 2.5rem 2rem;
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(148, 163, 184, 0.2);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
}

/* No-card variant: text sits directly on cream background */
.cta-content--no-card {
    max-width: 840px;
    padding: 0;
    background: transparent;
    border-radius: 0;
    border: none;
    box-shadow: none;
}

.cta-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 1rem;
    color: var(--lbc-navy);
}

.cta-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--lbc-text-soft);
    margin: 0 0 1.5rem;
}

.cta-buttons,
.cta-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
}

.cta-buttons .btn,
.cta-actions .btn {
    width: 100%;
    max-width: 250px;
}

/* CTA outline buttons on light backgrounds */
.cta-section .btn-outline {
    border-color: var(--lbc-navy);
    color: var(--lbc-navy);
    background: transparent;
}

.cta-section .btn-outline:hover {
    background: var(--lbc-navy);
    color: #fff;
}

@media (min-width: 641px) {
    .cta-section {
        padding: 4rem 0 5rem;
    }

    .cta-buttons,
    .cta-actions {
        flex-direction: row;
        justify-content: center;
        gap: 1rem;
    }

    .cta-buttons .btn,
    .cta-actions .btn {
        width: auto;
        max-width: none;
    }
}

/* =============================================================================
   CARDS
   ============================================================================= */

.card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-image {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.card:hover .card-image img {
    transform: scale(1.05);
}

.card-body {
    padding: var(--space-6);
}

.card-title {
    margin-bottom: var(--space-3);
}

.card-text {
    color: var(--lbc-text-soft);
}

/* =============================================================================
   FORMS
   ============================================================================= */

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

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: var(--font-weight-medium);
    color: var(--lbc-text);
}

.form-label--required::after {
    content: ' *';
    color: var(--lbc-error);
}

.form-input,
.form-select,
.form-textarea {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--lbc-text);
    background: #fff;
    border: 2px solid var(--lbc-border-soft);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
    border-color: var(--lbc-text-muted);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--lbc-gold);
    box-shadow: 0 0 0 3px var(--lbc-gold-light);
    outline: none;
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* Error States */
.form-input--error,
.form-select--error,
.form-textarea--error {
    border-color: var(--lbc-error);
}

.form-error {
    display: block;
    margin-top: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--lbc-error);
}

/* =============================================================================
   IMAGES
   ============================================================================= */

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.img-responsive {
    width: 100%;
    height: auto;
}

.img-cover {
    object-fit: cover;
}

.img-contain {
    object-fit: contain;
}

/* Lazy loading placeholder */
img[loading="lazy"] {
    background: var(--lbc-sand);
}

/* =============================================================================
   UTILITY CLASSES
   ============================================================================= */

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Display */
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

/* Flexbox Utilities */
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Margin Utilities */
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-8 { margin-bottom: var(--space-8); }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Padding Utilities */
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Hidden but focusable */
.sr-only-focusable:focus {
    position: static;
    width: auto;
    height: auto;
    overflow: visible;
    clip: auto;
    white-space: inherit;
}

/* =============================================================================
   ACCESSIBILITY IMPROVEMENTS
   ============================================================================= */

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* High contrast mode adjustments */
@media (prefers-contrast: high) {
    .btn-outline,
    .btn--outline {
        border-width: 3px;
    }
    
    a {
        text-decoration-thickness: 2px;
    }
}

/* =============================================================================
   PRINT STYLES
   ============================================================================= */

@media print {
    body {
        font-size: 12pt;
        color: #000;
        background: #fff;
    }
    
    .no-print,
    header,
    footer,
    nav,
    .btn {
        display: none !important;
    }
    
    a {
        color: #000;
        text-decoration: underline;
    }
    
    a[href]::after {
        content: " (" attr(href) ")";
        font-size: 0.9em;
    }
    
    a[href^="#"]::after,
    a[href^="javascript:"]::after {
        content: "";
    }
}