/**
 * HBREA Global Styles
 *
 * Base typography, buttons, layout utilities.
 * Uses CSS custom properties from brand-variables.css.
 *
 * @package HBREA
 * @since 1.0.0
 */

/* ==========================================================================
   RESET ADDITIONS
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--hbrea-font-body);
    font-size: var(--hbrea-text-base);
    font-weight: var(--hbrea-font-normal);
    line-height: var(--hbrea-leading-normal);
    color: var(--hbrea-black);
    background-color: var(--hbrea-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Remove default margins */
h1, h2, h3, h4, h5, h6,
p, figure, blockquote, dl, dd {
    margin: 0;
}

/* Remove list styles on ul, ol with class */
ul[class],
ol[class] {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* Images */
img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
    height: auto;
}

/* Inherit fonts for inputs and buttons */
input,
button,
textarea,
select {
    font: inherit;
}

/* Remove animations for reduced motion */
@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;
    }
}

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

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

h1 {
    font-size: var(--hbrea-text-4xl);
    font-weight: var(--hbrea-font-extrabold);
    letter-spacing: var(--hbrea-tracking-tight);
}

h2 {
    font-size: var(--hbrea-text-3xl);
}

h3 {
    font-size: var(--hbrea-text-2xl);
}

h4 {
    font-size: var(--hbrea-text-xl);
}

h5 {
    font-size: var(--hbrea-text-lg);
}

h6 {
    font-size: var(--hbrea-text-base);
}

p {
    margin-bottom: var(--hbrea-space-4);
}

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

a {
    color: var(--hbrea-blue);
    text-decoration: none;
    transition: color var(--hbrea-transition-fast);
}

a:hover {
    color: var(--hbrea-blue-light);
}

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

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

/* Lead Text */
.hbrea-lead {
    font-size: var(--hbrea-text-xl);
    line-height: var(--hbrea-leading-relaxed);
    color: var(--hbrea-gray-700);
}

/* Eyebrow / Label Text */
.hbrea-eyebrow {
    font-family: var(--hbrea-font-heading);
    font-size: var(--hbrea-text-sm);
    font-weight: var(--hbrea-font-semibold);
    letter-spacing: var(--hbrea-tracking-wider);
    text-transform: uppercase;
    color: var(--hbrea-copper);
}

/* ==========================================================================
   LINKS
   ========================================================================== */

.hbrea-link {
    color: var(--hbrea-blue);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color var(--hbrea-transition-fast);
}

.hbrea-link:hover {
    color: var(--hbrea-navy);
}

.hbrea-link--white {
    color: var(--hbrea-white);
}

.hbrea-link--white:hover {
    color: var(--hbrea-gray-300);
}

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

.hbrea-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--hbrea-space-2);
    padding: var(--hbrea-btn-padding-y) var(--hbrea-btn-padding-x);
    font-family: var(--hbrea-font-heading);
    font-size: var(--hbrea-btn-font-size);
    font-weight: var(--hbrea-btn-font-weight);
    line-height: 1;
    text-decoration: none;
    text-align: center;
    border: 2px solid transparent;
    border-radius: var(--hbrea-btn-radius);
    cursor: pointer;
    transition: all var(--hbrea-btn-transition);
}

.hbrea-btn:focus-visible {
    outline: 2px solid var(--hbrea-blue);
    outline-offset: 2px;
}

/* Primary Button (Copper) */
.hbrea-btn--primary {
    background-color: var(--hbrea-btn-primary-bg);
    color: var(--hbrea-btn-primary-text);
    border-color: var(--hbrea-btn-primary-bg);
}

.hbrea-btn--primary:hover {
    background-color: var(--hbrea-btn-primary-hover);
    border-color: var(--hbrea-btn-primary-hover);
    color: var(--hbrea-white);
}

/* Secondary Button (Teal) */
.hbrea-btn--secondary {
    background-color: var(--hbrea-btn-secondary-bg);
    color: var(--hbrea-btn-secondary-text);
    border-color: var(--hbrea-btn-secondary-bg);
}

.hbrea-btn--secondary:hover {
    background-color: var(--hbrea-btn-secondary-hover);
    border-color: var(--hbrea-btn-secondary-hover);
    color: var(--hbrea-white);
}

/* Navy Button */
.hbrea-btn--navy {
    background-color: var(--hbrea-navy);
    color: var(--hbrea-white);
    border-color: var(--hbrea-navy);
}

.hbrea-btn--navy:hover {
    background-color: var(--hbrea-blue);
    border-color: var(--hbrea-blue);
    color: var(--hbrea-white);
}

/* Outline Button (Dark) */
.hbrea-btn--outline {
    background-color: transparent;
    color: var(--hbrea-btn-outline-text);
    border-color: var(--hbrea-btn-outline-border);
}

.hbrea-btn--outline:hover {
    background-color: var(--hbrea-btn-outline-hover-bg);
    color: var(--hbrea-btn-outline-hover-text);
}

/* Outline Button (White - for dark backgrounds) */
.hbrea-btn--outline-white {
    background-color: transparent;
    color: var(--hbrea-white);
    border-color: var(--hbrea-white);
}

.hbrea-btn--outline-white:hover {
    background-color: var(--hbrea-white);
    color: var(--hbrea-navy);
}

/* Ghost Button */
.hbrea-btn--ghost {
    background-color: transparent;
    color: var(--hbrea-navy);
    border-color: transparent;
}

.hbrea-btn--ghost:hover {
    background-color: var(--hbrea-gray-100);
}

/* Button Sizes */
.hbrea-btn--sm {
    padding: var(--hbrea-space-2) var(--hbrea-space-4);
    font-size: var(--hbrea-text-sm);
}

.hbrea-btn--lg {
    padding: var(--hbrea-space-4) var(--hbrea-space-8);
    font-size: var(--hbrea-text-lg);
}

/* Full Width Button */
.hbrea-btn--full {
    width: 100%;
}

/* Button with Icon */
.hbrea-btn svg {
    width: 1.25em;
    height: 1.25em;
    flex-shrink: 0;
}

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

/* Container */
.hbrea-container {
    width: 100%;
    max-width: var(--hbrea-container);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--hbrea-gutter);
    padding-right: var(--hbrea-gutter);
}

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

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

/* Section */
.hbrea-section {
    padding-top: var(--hbrea-section-padding-mobile);
    padding-bottom: var(--hbrea-section-padding-mobile);
}

@media (min-width: 768px) {
    .hbrea-section {
        padding-top: var(--hbrea-section-padding);
        padding-bottom: var(--hbrea-section-padding);
    }
}

/* Section Backgrounds */
.hbrea-section--white {
    background-color: var(--hbrea-white);
}

.hbrea-section--off-white {
    background-color: var(--hbrea-off-white);
}

.hbrea-section--navy {
    background-color: var(--hbrea-navy);
    color: var(--hbrea-white);
}

.hbrea-section--navy h1,
.hbrea-section--navy h2,
.hbrea-section--navy h3,
.hbrea-section--navy h4,
.hbrea-section--navy h5,
.hbrea-section--navy h6 {
    color: var(--hbrea-white);
}

.hbrea-section--black {
    background-color: var(--hbrea-black);
    color: var(--hbrea-white);
}

.hbrea-section--black h1,
.hbrea-section--black h2,
.hbrea-section--black h3,
.hbrea-section--black h4,
.hbrea-section--black h5,
.hbrea-section--black h6 {
    color: var(--hbrea-white);
}

/* Section Header */
.hbrea-section__header {
    text-align: center;
    margin-bottom: var(--hbrea-space-10);
}

.hbrea-section__title {
    margin-bottom: var(--hbrea-space-4);
}

.hbrea-section__subtitle {
    font-size: var(--hbrea-text-lg);
    color: var(--hbrea-gray-600);
    max-width: 60ch;
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================================================
   GRID
   ========================================================================== */

.hbrea-grid {
    display: grid;
    gap: var(--hbrea-space-6);
}

.hbrea-grid--2 {
    grid-template-columns: repeat(1, 1fr);
}

.hbrea-grid--3 {
    grid-template-columns: repeat(1, 1fr);
}

.hbrea-grid--4 {
    grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 640px) {
    .hbrea-grid--2 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hbrea-grid--3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hbrea-grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .hbrea-grid--3 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .hbrea-grid--4 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .hbrea-grid--4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

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

.hbrea-card {
    background-color: var(--hbrea-card-bg);
    border-radius: var(--hbrea-card-radius);
    box-shadow: var(--hbrea-card-shadow);
    overflow: hidden;
    transition: box-shadow var(--hbrea-transition), transform var(--hbrea-transition);
}

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

.hbrea-card--lift:hover {
    transform: translateY(-4px);
}

.hbrea-card__image {
    aspect-ratio: 16 / 10;
    object-fit: cover;
    width: 100%;
}

.hbrea-card__content {
    padding: var(--hbrea-card-padding);
}

.hbrea-card__title {
    font-size: var(--hbrea-text-xl);
    margin-bottom: var(--hbrea-space-2);
}

.hbrea-card__text {
    color: var(--hbrea-gray-600);
    margin-bottom: var(--hbrea-space-4);
}

.hbrea-card__meta {
    font-size: var(--hbrea-text-sm);
    color: var(--hbrea-gray-500);
}

/* ==========================================================================
   BADGES / PILLS
   ========================================================================== */

.hbrea-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--hbrea-space-1) var(--hbrea-space-3);
    font-size: var(--hbrea-text-xs);
    font-weight: var(--hbrea-font-semibold);
    text-transform: uppercase;
    letter-spacing: var(--hbrea-tracking-wide);
    border-radius: var(--hbrea-radius-full);
    background-color: var(--hbrea-blue);
    color: var(--hbrea-white);
}

.hbrea-badge--copper {
    background-color: var(--hbrea-copper);
}

.hbrea-badge--teal {
    background-color: var(--hbrea-teal);
}

.hbrea-badge--navy {
    background-color: var(--hbrea-navy);
}

.hbrea-badge--outline {
    background-color: transparent;
    border: 1px solid var(--hbrea-blue);
    color: var(--hbrea-blue);
}

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

.hbrea-form-group {
    margin-bottom: var(--hbrea-space-4);
}

.hbrea-label {
    display: block;
    margin-bottom: var(--hbrea-space-2);
    font-weight: var(--hbrea-font-medium);
    color: var(--hbrea-gray-700);
}

.hbrea-input,
.hbrea-textarea,
.hbrea-select {
    display: block;
    width: 100%;
    padding: var(--hbrea-input-padding-y) var(--hbrea-input-padding-x);
    font-size: var(--hbrea-text-base);
    line-height: var(--hbrea-leading-normal);
    color: var(--hbrea-black);
    background-color: var(--hbrea-white);
    border: 1px solid var(--hbrea-input-border);
    border-radius: var(--hbrea-input-radius);
    transition: border-color var(--hbrea-transition-fast), box-shadow var(--hbrea-transition-fast);
}

.hbrea-input:focus,
.hbrea-textarea:focus,
.hbrea-select:focus {
    outline: none;
    border-color: var(--hbrea-input-focus-ring);
    box-shadow: 0 0 0 3px rgba(26, 93, 171, 0.15);
}

.hbrea-input::placeholder {
    color: var(--hbrea-gray-400);
}

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

/* ==========================================================================
   UTILITIES
   ========================================================================== */

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

/* Font Weight */
.hbrea-u-font-normal { font-weight: var(--hbrea-font-normal); }
.hbrea-u-font-medium { font-weight: var(--hbrea-font-medium); }
.hbrea-u-font-semibold { font-weight: var(--hbrea-font-semibold); }
.hbrea-u-font-bold { font-weight: var(--hbrea-font-bold); }

/* Colors */
.hbrea-u-text-white { color: var(--hbrea-white); }
.hbrea-u-text-navy { color: var(--hbrea-navy); }
.hbrea-u-text-blue { color: var(--hbrea-blue); }
.hbrea-u-text-copper { color: var(--hbrea-copper); }
.hbrea-u-text-gray { color: var(--hbrea-gray-600); }

/* Display */
.hbrea-u-hidden { display: none !important; }
.hbrea-u-block { display: block; }
.hbrea-u-flex { display: flex; }
.hbrea-u-grid { display: grid; }

/* Flex Utilities */
.hbrea-u-flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hbrea-u-flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hbrea-u-flex-wrap { flex-wrap: wrap; }
.hbrea-u-gap-2 { gap: var(--hbrea-space-2); }
.hbrea-u-gap-4 { gap: var(--hbrea-space-4); }
.hbrea-u-gap-6 { gap: var(--hbrea-space-6); }
.hbrea-u-gap-8 { gap: var(--hbrea-space-8); }

/* Margin */
.hbrea-u-mb-0 { margin-bottom: 0; }
.hbrea-u-mb-4 { margin-bottom: var(--hbrea-space-4); }
.hbrea-u-mb-6 { margin-bottom: var(--hbrea-space-6); }
.hbrea-u-mb-8 { margin-bottom: var(--hbrea-space-8); }
.hbrea-u-mb-12 { margin-bottom: var(--hbrea-space-12); }

.hbrea-u-mt-0 { margin-top: 0; }
.hbrea-u-mt-4 { margin-top: var(--hbrea-space-4); }
.hbrea-u-mt-6 { margin-top: var(--hbrea-space-6); }
.hbrea-u-mt-8 { margin-top: var(--hbrea-space-8); }

/* Screen Reader Only */
.hbrea-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;
}

/* ==========================================================================
   RESPONSIVE VISIBILITY
   ========================================================================== */

@media (max-width: 767px) {
    .hbrea-u-hide-mobile { display: none !important; }
}

@media (min-width: 768px) {
    .hbrea-u-hide-desktop { display: none !important; }
}

/* ==========================================================================
   FOCUS MANAGEMENT
   Keyboard users get visible focus rings; mouse users do not.
   The .user-is-tabbing class is toggled by main.js on Tab key press.
   ========================================================================== */

body:not(.user-is-tabbing) *:focus {
    outline: none;
}

body.user-is-tabbing *:focus {
    outline: 2px solid var(--hbrea-blue, #2B5EA7);
    outline-offset: 2px;
}