/* ==========================================
   Components - Cards, Buttons, Forms, Slider
   ========================================== */

/* --- CTA Button --- */
.cta-button {
    display: inline-block;
    background: var(--color-accent);
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.cta-button:hover {
    background: var(--color-accent-hover);
    color: white;
    transform: translateY(-3px);
}

/* --- Slider --- */
.slider {
    position: relative;
    height: 90vh;
    overflow: hidden;
}

.slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.slide.active { opacity: 1; }

.slide::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--color-overlay);
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    width: 80%;
    z-index: 2;
}

.slide-content h1 {
    font-size: var(--font-size-hero);
    font-weight: 700;
    margin-bottom: 25px;
    line-height: var(--line-height-tight);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.slide-content p {
    font-size: var(--font-size-lg);
    font-weight: 300;
    margin-bottom: 35px;
    line-height: 1.6;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 var(--space-lg);
    z-index: 10;
}

.slider-nav button {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    padding: var(--space-sm) var(--space-md);
    border-radius: 50%;
    transition: background var(--transition-fast);
}

.slider-nav button:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* --- Service Cards --- */
.service-card {
    background: var(--color-primary);
    padding: var(--space-2xl) var(--space-xl);
    border-radius: var(--border-radius);
    text-align: center;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    border: 1px solid var(--color-border);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-card i {
    font-size: 3rem;
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
}

.service-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-lg);
    line-height: 1.4;
    color: var(--color-secondary);
}

.service-card p {
    font-size: var(--font-size-md);
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
}

/* --- Why Us --- */
.why-us-item img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.why-us-item h3 {
    font-size: var(--font-size-xl);
    margin-top: 25px;
    margin-bottom: var(--space-md);
    color: var(--color-accent);
    font-weight: 600;
}

.why-us-item p {
    font-size: var(--font-size-md);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-light);
}

/* --- Project Cards --- */
.project-card {
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.project-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

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

.project-card-body p {
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
}

/* --- Project Detail --- */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: var(--space-xl);
}

.project-detail-img {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-bottom: var(--space-xl);
}

.project-detail-desc {
    font-size: var(--font-size-md);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-light);
}

/* --- Contact Form --- */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-top: 4px;
}

.contact-item h4 {
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.contact-item a {
    color: var(--color-accent);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-group label {
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 15px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

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

.form-status {
    padding: 12px;
    border-radius: var(--border-radius-sm);
    text-align: center;
    font-weight: 500;
}

.form-status.success {
    background: var(--color-success-bg);
    color: var(--color-success-text);
}

.form-status.error {
    background: var(--color-error-bg);
    color: var(--color-error-text);
}

/* --- Reviews Ticker (Infinite Horizontal Scroll) --- */
.reviews {
    padding: var(--space-3xl) 0;
    background: var(--color-reviews-bg);
}

.reviews-ticker {
    overflow: hidden;
    position: relative;
    padding: var(--space-lg) 0;
}

/* Fade edges */
.reviews-ticker::before,
.reviews-ticker::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 80px;
    z-index: 2;
    pointer-events: none;
}

.reviews-ticker::before {
    left: 0;
    background: linear-gradient(to right, var(--color-reviews-fade) 0%, transparent 100%);
}

.reviews-ticker::after {
    right: 0;
    background: linear-gradient(to left, var(--color-reviews-fade) 0%, transparent 100%);
}

.reviews-track {
    display: flex;
    gap: var(--space-xl);
    animation: reviewsScroll 40s linear infinite;
    width: max-content;
}

.reviews-track:hover {
    animation-play-state: paused;
}

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

.review-card {
    flex-shrink: 0;
    width: 350px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-xl);
    background: var(--color-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    box-sizing: border-box;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.review-stars {
    color: var(--color-star);
    font-size: 1.2rem;
    margin-bottom: var(--space-lg);
    letter-spacing: 3px;
}

.review-text {
    font-size: var(--font-size-md);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-light);
    font-style: italic;
    margin-bottom: var(--space-xl);
    max-width: 550px;
}

.review-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.review-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.review-avatar-placeholder {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--color-accent);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.review-author strong {
    display: block;
    font-size: var(--font-size-md);
    color: var(--color-secondary);
}

.review-author span {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Reviews responsive */
@media (max-width: 768px) {
    .review-card { width: 280px; }
    .reviews-ticker::before,
    .reviews-ticker::after { width: 30px; }
}

/* --- Blog Cards --- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.blog-card {
    display: block;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    text-decoration: none;
    color: inherit;
    background: var(--color-primary);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    color: inherit;
}

.blog-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

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

.blog-card-body h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-secondary);
    line-height: 1.4;
}

.blog-card-body p {
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
    font-size: var(--font-size-md);
    margin-bottom: var(--space-md);
}

.blog-date {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.blog-read-more {
    font-weight: 600;
    color: var(--color-accent);
    font-size: var(--font-size-sm);
}

/* --- Blog Detail --- */
.blog-detail {
    max-width: 800px;
    margin: 0 auto;
}

.blog-detail-img {
    width: 100%;
    max-height: 450px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-bottom: var(--space-lg);
}

.blog-detail-title {
    font-size: var(--font-size-hero);
    font-weight: 700;
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-xl);
    color: var(--color-secondary);
}

.blog-detail-content {
    font-size: var(--font-size-md);
    line-height: 1.9;
    color: var(--color-text-light);
}

.blog-detail-content br + br {
    display: block;
    content: '';
    margin-top: var(--space-md);
}

/* --- Before/After Comparison Slider --- */
.ba-slider {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto var(--space-xl);
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    cursor: col-resize;
    user-select: none;
    -webkit-user-select: none;
    aspect-ratio: 16 / 10;
}

.ba-slider img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}

.ba-after {
    z-index: 1;
}

.ba-before {
    z-index: 2;
    clip-path: inset(0 50% 0 0);
}

.ba-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 4px;
    background: white;
    z-index: 3;
    transform: translateX(-50%);
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.4);
}

.ba-handle::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.ba-handle::after {
    content: '\f0d9\00a0\00a0\f0da';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--color-accent);
    font-size: 0.9rem;
    z-index: 4;
    letter-spacing: 2px;
}

/* Labels */
.ba-label {
    position: absolute;
    bottom: 16px;
    padding: 6px 16px;
    background: var(--color-overlay-label);
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 20px;
    z-index: 3;
    pointer-events: none;
}

.ba-label-before {
    left: 16px;
}

.ba-label-after {
    right: 16px;
}

/* Responsive */
@media (max-width: 768px) {
    .ba-slider {
        aspect-ratio: 4 / 3;
        border-radius: var(--border-radius-sm);
    }
    .ba-handle::before {
        width: 36px;
        height: 36px;
    }
    .ba-label {
        font-size: 0.7rem;
        padding: 4px 10px;
    }
}

/* --- 404 Page --- */
.error-code {
    font-size: 8rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: var(--space-lg);
}

.error-message {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
}