/**
 * KZEN ENTERPRISE THEME - GLOBAL COMPONENTS
 * Standardized Design System Components · Pure Visual Hierarchy
 *
 * @package Kzen_Enterprise_Theme
 */

/* ========================================================
 * 1. BUTTON SYSTEM
 * ======================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    text-align: center;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color var(--duration-base) var(--ease-standard),
                color var(--duration-base) var(--ease-standard),
                border-color var(--duration-base) var(--ease-standard),
                box-shadow var(--duration-base) var(--ease-standard),
                transform var(--duration-fast) var(--ease-standard);
    min-height: var(--touch-min);
    padding: 10px 20px;
    white-space: nowrap;
    user-select: none;
}

.btn:active {
    transform: scale(0.98);
}

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

/* Button Variants */
.btn--primary {
    background-color: var(--color-primary);
    color: #FFFFFF;
    border-color: var(--color-primary);
}

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: #FFFFFF;
    box-shadow: var(--shadow-md);
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-border);
}

.btn--secondary:hover {
    background-color: var(--color-surface-muted);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn--gold {
    background: var(--color-gold-gradient);
    color: #FFFFFF;
    border-color: var(--color-accent);
    box-shadow: var(--shadow-gold);
}

.btn--gold:hover {
    filter: brightness(1.08);
    box-shadow: var(--color-gold-glow);
    color: #FFFFFF;
}

.btn--ghost {
    background-color: transparent;
    color: var(--color-primary);
    border-color: transparent;
}

.btn--ghost:hover {
    background-color: var(--color-surface-muted);
    color: var(--color-primary-dark);
}

.btn--outline {
    background-color: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.btn--outline:hover {
    background-color: var(--color-accent);
    color: #FFFFFF;
}

.btn--dark {
    background-color: var(--color-surface-dark);
    color: var(--color-text-on-dark);
    border-color: var(--color-border-dark);
}

.btn--dark:hover {
    background-color: var(--color-primary-slate);
    border-color: var(--color-accent);
    color: #FFFFFF;
}

/* Button Sizes */
.btn--sm {
    min-height: 36px;
    padding: 6px 14px;
    font-size: var(--font-size-xs);
}

.btn--md {
    min-height: 44px;
    padding: 10px 22px;
    font-size: var(--font-size-sm);
}

.btn--lg {
    min-height: 52px;
    padding: 14px 32px;
    font-size: var(--font-size-md);
    letter-spacing: 0.3px;
}

.btn--full {
    width: 100%;
}

.btn__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.1em;
    height: 1.1em;
}

/* ========================================================
 * 2. CARD SYSTEM
 * ======================================================== */
.card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform var(--duration-base) var(--ease-standard),
                box-shadow var(--duration-base) var(--ease-standard),
                border-color var(--duration-base) var(--ease-standard);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-border-gold);
}

.card--elevated {
    box-shadow: var(--shadow-sm);
}

.card--dark {
    background-color: var(--color-surface-dark);
    border-color: var(--color-border-dark);
    color: var(--color-text-on-dark);
}

.card__media {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background-color: var(--color-surface-muted);
}

.card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-standard);
}

.card:hover .card__img {
    transform: scale(1.04);
}

.card__media-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    background: linear-gradient(135deg, var(--color-primary-night) 0%, var(--color-primary) 100%);
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    padding: var(--space-4);
    text-align: center;
}

.card__body {
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

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

.card__title {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.3;
    margin-bottom: var(--space-2);
}

.card--dark .card__title {
    color: var(--color-text-on-dark);
}

.card__subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.card__meta {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-block: var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.card__meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.card__footer {
    margin-top: auto;
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card--dark .card__footer {
    border-top-color: var(--color-border-dark);
}

/* Stat Card */
.card--stat {
    padding: var(--space-6);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
}

.card--stat .stat-number {
    font-family: var(--font-display);
    font-size: clamp(32px, 3.5vw, 44px);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.1;
    margin-bottom: var(--space-1);
}

.card--stat .stat-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
}

/* Feature Card */
.card--feature {
    padding: var(--space-8);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.card--feature .feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: rgba(199, 163, 93, 0.12);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

/* ========================================================
 * 3. BADGES & PILLS
 * ======================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    background: var(--color-primary);
    color: #FFFFFF;
    line-height: 1;
}

.badge--gold {
    background: var(--color-accent);
    color: #FFFFFF;
}

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

.badge--dark {
    background: rgba(12, 30, 27, 0.85);
    backdrop-filter: blur(8px);
    color: var(--color-accent-light);
    border: 1px solid var(--color-border-dark);
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--font-size-xs);
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    background: var(--color-surface-muted);
    color: var(--color-primary);
    font-weight: 500;
}

.pill--gps {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(10, 24, 22, 0.85);
    backdrop-filter: blur(8px);
    color: var(--color-accent-light);
    border: 1px solid var(--color-border-dark);
    font-family: var(--font-mono, monospace);
    font-size: 11px;
}

/* ========================================================
 * 4. HEADING COMPONENT
 * ======================================================== */
.section-heading {
    margin-bottom: var(--space-10);
}

.section-heading--center {
    text-align: center;
    max-width: 760px;
    margin-inline: auto;
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent-dark);
    margin-bottom: var(--space-2);
}

.section-title {
    font-family: var(--font-display);
    font-size: var(--heading-h2);
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: var(--space-3);
}

.section-subtitle {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ========================================================
 * 5. TABS COMPONENT
 * ======================================================== */
.tabs {
    display: flex;
    flex-direction: column;
}

.tabs__nav {
    display: flex;
    gap: var(--space-2);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-6);
    overflow-x: auto;
    scrollbar-width: none;
}

.tabs__nav::-webkit-scrollbar {
    display: none;
}

.tabs__btn {
    padding: var(--space-3) var(--space-6);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-muted);
    cursor: pointer;
    white-space: nowrap;
    transition: color var(--duration-fast), border-color var(--duration-fast);
}

.tabs__btn:hover {
    color: var(--color-primary);
}

.tabs__btn.is-active {
    color: var(--color-primary);
    border-bottom-color: var(--color-accent);
}

.tabs__pane {
    display: none;
}

.tabs__pane.is-active {
    display: block;
    animation: fadeIn var(--duration-base) var(--ease-standard);
}

/* ========================================================
 * 6. ACCORDION COMPONENT
 * ======================================================== */
.accordion {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.accordion__item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    overflow: hidden;
}

.accordion__trigger {
    width: 100%;
    padding: var(--space-4) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
}

.accordion__icon {
    transition: transform var(--duration-base) var(--ease-standard);
    color: var(--color-accent);
}

.accordion__item.is-open .accordion__icon {
    transform: rotate(180deg);
}

.accordion__content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--duration-slow) var(--ease-standard);
}

.accordion__content-inner {
    padding: 0 var(--space-6) var(--space-6);
    color: var(--color-text-secondary);
    font-size: var(--font-size-md);
    line-height: 1.6;
}

/* ========================================================
 * 7. MODAL COMPONENT
 * ======================================================== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration-base), visibility var(--duration-base);
}

.modal.is-open {
    opacity: 1;
    visibility: visible;
}

.modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(10, 24, 22, 0.75);
    backdrop-filter: blur(6px);
}

.modal__dialog {
    position: relative;
    background: var(--color-surface);
    border-radius: var(--radius-md);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border-gold);
    z-index: 1;
    transform: scale(0.95);
    transition: transform var(--duration-base) var(--ease-standard);
}

.modal.is-open .modal__dialog {
    transform: scale(1);
}

.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.modal__title {
    font-family: var(--font-display);
    font-size: 22px;
    color: var(--color-primary);
    margin: 0;
}

.modal__close {
    background: transparent;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--color-text-muted);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.modal__footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
}

/* ========================================================
 * 8. BACKWARD COMPATIBILITY ALIASES
 * ======================================================== */
.kzen-btn { @extend .btn; }
.kzen-btn-primary { background-color: var(--color-primary); color: #FFFFFF; border-color: var(--color-primary); }
.kzen-btn-secondary { background-color: transparent; color: var(--color-primary); border: 1px solid var(--color-border); }
.kzen-btn-map { background: var(--color-gold-gradient); color: #FFFFFF; border: 1px solid var(--color-accent); box-shadow: var(--shadow-gold); }
.kzen-project-card { @extend .card; }
.kzen-stat-card { @extend .card--stat; }
.kzen-stat-number { font-family: var(--font-display); font-size: 36px; font-weight: 700; color: var(--color-primary); }
.kzen-stat-label { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--color-text-muted); }
.kzen-badge { display: inline-flex; align-items: center; padding: 4px 10px; background: var(--color-primary); color: #fff; font-size: 11px; font-weight: 600; text-transform: uppercase; border-radius: var(--radius-sm); }
.kzen-pill-gps { position: absolute; bottom: 12px; right: 12px; background: rgba(10,24,22,0.85); backdrop-filter: blur(8px); color: var(--color-accent-light); padding: 4px 10px; font-size: 11px; border-radius: var(--radius-pill); border: 1px solid var(--color-border-dark); }
.kzen-card-cover { position: relative; width: 100%; aspect-ratio: 16/10; overflow: hidden; background: var(--color-surface-muted); }
.kzen-card-img { width: 100%; height: 100%; object-fit: cover; }
.kzen-card-body { padding: var(--space-6); display: flex; flex-direction: column; flex-grow: 1; }
.kzen-card-title { font-family: var(--font-display); font-size: 20px; font-weight: 700; color: var(--color-primary); margin-bottom: var(--space-2); }
.kzen-card-meta { display: flex; flex-direction: column; gap: var(--space-2); margin-block: var(--space-4); font-size: 13px; color: var(--color-text-secondary); }
.kzen-card-meta-row { display: flex; align-items: center; gap: var(--space-2); }
.kzen-card-footer { margin-top: auto; padding-top: var(--space-4); border-top: 1px solid var(--color-border); display: flex; align-items: center; justify-content: space-between; }
.kzen-price-val { font-family: var(--font-display); font-size: 18px; font-weight: 700; color: var(--color-primary); }