/* ==========================================================================
   Shared Components
   ========================================================================== */

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-body);
    font-weight: var(--weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}

.btn--primary {
    background-color: var(--color-accent);
    color: var(--color-text-white);
    font-size: var(--text-xs);
    padding: 0 var(--space-8);
    height: 3rem;
}

.btn--primary:hover {
    background-color: var(--color-accent-hover);
    color: var(--color-text-white);
}

.btn--dark {
    background-color: var(--color-bg-card);
    color: var(--color-text-white);
    font-size: var(--text-xs);
    padding: 0 var(--space-8);
    height: 3rem;
}

.btn--dark:hover {
    background-color: #000;
    color: var(--color-text-white);
}

.btn--outline {
    background-color: transparent;
    color: var(--color-text-white);
    border: 1px solid var(--color-border);
    font-size: var(--text-xs);
    padding: 0 var(--space-8);
    height: 3rem;
}

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

.btn--large {
    height: 3.5rem;
    padding: 0 var(--space-14);
    font-size: var(--text-base);
}

.btn--hero {
    height: 3.5rem;
    padding: 0 var(--space-14);
    font-size: var(--text-xs);
}

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

/* ---------- Section Badge / Tag ---------- */
.section-tag {
    display: inline-block;
    font-size: 10px;
    font-weight: var(--weight-black);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-white);
    background-color: var(--color-bg-card);
    padding: var(--space-1) var(--space-3);
    margin-bottom: var(--space-4);
}

.section-tag--accent {
    background-color: var(--color-accent);
}

.section-tag--light {
    background-color: #f0f0f0;
    color: var(--color-text-black);
}

/* ---------- Section Heading ---------- */
.section-heading {
    font-family: var(--font-body);
    font-weight: var(--weight-black);
    text-transform: uppercase;
    letter-spacing: -0.02em;
    line-height: 1.05;
    color: var(--color-text-white);
}

.section-heading--light {
    color: var(--color-text-black);
}

.section-heading--xl {
    font-size: clamp(2.5rem, 6vw, 5rem);
}

.section-heading--lg {
    font-size: clamp(2rem, 4vw, 3.75rem);
}

.section-heading--md {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
}

.section-subheading {
    font-size: var(--text-base);
    color: var(--color-text-muted);
    line-height: 1.7;
    max-width: 700px;
}

.section-subheading--light {
    color: var(--color-text-dark);
}

/* ---------- Cards ---------- */
.card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: var(--space-6);
    transition: border-color var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card:hover {
    border-color: var(--color-accent-30);
}

.card--padded {
    padding: var(--space-8) var(--space-10);
}

.card--accent-left {
    border-left: 4px solid var(--color-accent);
}

.card__number {
    position: absolute;
    top: 0.75rem;
    right: 1rem;
    font-size: var(--text-6xl);
    font-weight: var(--weight-black);
    color: var(--color-white-5);
    pointer-events: none;
    line-height: 1;
}

.card__tag {
    font-size: 10px;
    font-weight: var(--weight-black);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--space-3);
}

.card__title {
    font-family: var(--font-body);
    font-size: var(--text-xl);
    font-weight: var(--weight-black);
    color: var(--color-text-white);
    text-transform: uppercase;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-3);
}

.card__text {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ---------- Accent Border Card (Testimonials etc.) ---------- */
.accent-card {
    background-color: var(--color-bg-card);
    color: var(--color-text-white);
    padding: var(--space-6) var(--space-8) var(--space-12);
    border-left: 4px solid var(--color-accent);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-xl);
}

.accent-card__quote {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-style: italic;
    color: var(--color-text-white);
    line-height: 1.5;
    margin-bottom: var(--space-6);
}

.accent-card__attribution {
    font-size: var(--text-sm);
    font-weight: var(--weight-bold);
    color: var(--color-text-muted);
}

/* ---------- Stat Block ---------- */
.stat {
    text-align: left;
}

.stat__number {
    font-family: var(--font-body);
    font-size: var(--text-6xl);
    font-weight: var(--weight-black);
    color: var(--color-text-white);
    line-height: 1;
    letter-spacing: -0.03em;
}

.stat__label {
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-top: var(--space-2);
}

.stat__sublabel {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}

/* ---------- Image Overlay ---------- */
.img-overlay {
    position: relative;
    overflow: hidden;
}

.img-overlay img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: transform var(--transition-slower), filter var(--transition-slower);
}

.img-overlay:hover img {
    transform: scale(1.05);
    filter: grayscale(0%);
}

.img-overlay__gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--color-bg-card), transparent);
    z-index: 1;
}

/* ---------- Accordion ---------- */
.accordion-item {
    border-bottom: 1px solid var(--color-border);
}

.accordion-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: none;
    border: none;
    padding: var(--space-6) 0;
    cursor: pointer;
    text-align: left;
}

.accordion-trigger__text {
    font-family: var(--font-body);
    font-size: var(--text-md);
    font-weight: var(--weight-bold);
    color: var(--color-text-white);
    padding-right: var(--space-4);
}

.accordion-trigger__icon {
    font-size: var(--text-2xl);
    color: var(--color-accent);
    flex-shrink: 0;
    transition: transform var(--transition-base);
    line-height: 1;
}

.accordion-item.active .accordion-trigger__icon {
    transform: rotate(45deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.accordion-content__inner {
    padding-bottom: var(--space-6);
    font-size: var(--text-base);
    color: var(--color-text-muted);
    line-height: 1.7;
}

.accordion-item.active .accordion-content {
    max-height: 2000px;
}

/* ---------- Media Marquee ---------- */
.media-marquee {
    overflow: hidden;
    white-space: nowrap;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-6) 0;
    background-color: var(--color-bg-primary);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 40px, #000 calc(100% - 40px), transparent);
    mask-image: linear-gradient(90deg, transparent, #000 40px, #000 calc(100% - 40px), transparent);
}

.media-marquee__track {
    display: inline-flex;
    gap: var(--space-16);
    animation: marquee 30s linear infinite;
}

.media-marquee:hover .media-marquee__track {
    animation-play-state: paused;
}

.media-marquee__item {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: var(--weight-black);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-text-dim);
    white-space: nowrap;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ---------- Play Button Overlay ---------- */
.play-btn {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-black-40);
    transition: background-color var(--transition-base);
    cursor: pointer;
    z-index: 2;
}

.play-btn:hover {
    background-color: rgba(0, 0, 0, 0.2);
}

.play-btn__circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
}

.play-btn__triangle {
    width: 0;
    height: 0;
    border-left: 20px solid white;
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    margin-left: 4px;
}

/* ---------- Badge / Award ---------- */
.award-card {
    background-color: var(--color-bg-card-alt);
    border: 1px solid var(--color-border-light);
    padding: var(--space-6) var(--space-8);
    text-align: center;
    transition: border-color var(--transition-base);
}

.award-card:hover {
    border-color: var(--color-accent-30);
}

.award-card__icon {
    font-size: var(--text-3xl);
    color: var(--color-accent);
    margin-bottom: var(--space-3);
}

.award-card__title {
    font-size: var(--text-sm);
    font-weight: var(--weight-black);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-white);
    margin-bottom: var(--space-1);
}

.award-card__source {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* ---------- Process Step ---------- */
.process-step {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: var(--space-6) var(--space-8);
    position: relative;
    overflow: hidden;
    transition: border-color var(--transition-base);
}

.process-step:hover {
    border-color: var(--color-accent-30);
}

.process-step__number {
    font-size: var(--text-7xl);
    font-weight: var(--weight-black);
    color: var(--color-white-5);
    position: absolute;
    top: 0.75rem;
    right: 1rem;
    pointer-events: none;
    line-height: 1;
}

.process-step__phase {
    font-size: 10px;
    font-weight: var(--weight-black);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--space-3);
}

.process-step__title {
    font-size: var(--text-lg);
    font-weight: var(--weight-black);
    text-transform: uppercase;
    color: var(--color-text-white);
    margin-bottom: var(--space-3);
}

.process-step__text {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--space-4);
}

.process-step__intervention {
    font-size: var(--text-xs);
    color: var(--color-accent);
    font-weight: var(--weight-bold);
    font-style: italic;
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-3);
}

/* ---------- Blog Card ---------- */
.blog-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: border-color var(--transition-base);
}

.blog-card:hover {
    border-color: var(--color-accent-30);
}

.blog-card__image {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background-color: var(--color-bg-card-alt);
    border-bottom: 1px solid var(--color-border);
}

.blog-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: transform var(--transition-slower), filter var(--transition-slower);
}

.blog-card:hover .blog-card__image img {
    transform: scale(1.05);
    filter: grayscale(0%);
}

.blog-card__body {
    padding: var(--space-6) var(--space-6) var(--space-8);
}

.blog-card__category {
    font-size: 10px;
    font-weight: var(--weight-black);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--space-3);
}

.blog-card__title {
    font-size: var(--text-md);
    font-weight: var(--weight-bold);
    color: var(--color-text-white);
    margin-bottom: var(--space-2);
    line-height: 1.3;
}

.blog-card__title a {
    color: inherit;
    text-decoration: none;
}

.blog-card__title a:hover {
    color: var(--color-accent);
}

.blog-card__excerpt {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: 1.6;
}

.blog-card__date {
    font-size: var(--text-xs);
    color: var(--color-text-dim);
    margin-top: var(--space-3);
}

/* ---------- Form Styles ---------- */
.form-input {
    width: 100%;
    height: 3rem;
    background-color: var(--color-bg-card-alt);
    border: 1px solid var(--color-border-light);
    color: var(--color-text-white);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    padding: 0 var(--space-4);
    transition: border-color var(--transition-base);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-input::placeholder {
    color: var(--color-text-placeholder);
}

.form-textarea {
    width: 100%;
    min-height: 120px;
    background-color: var(--color-bg-card-alt);
    border: 1px solid var(--color-border-light);
    color: var(--color-text-white);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    padding: var(--space-3) var(--space-4);
    resize: vertical;
    transition: border-color var(--transition-base);
}

.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-textarea::placeholder {
    color: var(--color-text-placeholder);
}

/* ---------- Case Result Badge ---------- */
.result-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: var(--weight-black);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: var(--space-1) var(--space-3);
    background-color: var(--color-accent);
    color: var(--color-text-white);
}

/* ---------- Decorative Background ---------- */
.bg-gradient-dark {
    background: linear-gradient(to bottom, var(--color-bg-primary), transparent, var(--color-bg-primary));
}

.bg-gradient-left {
    background: linear-gradient(to right, var(--color-bg-primary), rgba(10, 10, 10, 0.8), transparent);
}

.bg-image-overlay {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.1;
    mix-blend-mode: luminosity;
    filter: grayscale(100%);
    pointer-events: none;
}

.bg-blur-accent {
    position: absolute;
    top: 0;
    right: 0;
    width: 8rem;
    height: 8rem;
    background-color: var(--color-accent-10);
    border-radius: 50%;
    filter: blur(48px);
    pointer-events: none;
}

/* --- QC Fixes: Missing Button Variants --- */

.btn--small {
    font-size: 10px;
    padding: var(--space-2) var(--space-4);
    height: auto;
    line-height: 1.5;
}

/* Focus-visible states for ALL interactive elements (WCAG 2.4.7) */
.btn:focus-visible,
.nav-link:focus-visible,
.nav-cta:focus-visible,
.mobile-menu__link:focus-visible,
.mobile-menu__cta:focus-visible,
.pa-card:focus-visible,
.site-logo:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.accordion-trigger:hover .accordion-trigger__text {
    color: var(--color-accent);
}

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

.form-input:focus-visible,
.form-textarea:focus-visible {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 1px var(--color-accent);
}

.site-logo:hover .site-logo__text {
    color: var(--color-accent);
    transition: color var(--transition-base);
}

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

.press-item:focus-within .press-item__overlay {
    opacity: 1;
}