/* ================================================================
   Product Pages — shadcn/ui Design System Extension
   ================================================================
   Styles for brand index pages and model detail pages under
   /robot-supurge-tamiri/. Inherits base tokens from styles.css.
   Only defines product-specific components.
   ================================================================ */


/* ── Brand Page Hero ───────────────────────────────────────────── */
.brand-hero {
    padding: 140px 0 64px;
    text-align: center;
    border-bottom: 1px solid hsl(var(--border));
}

.brand-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: hsl(var(--foreground));
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.035em;
}

.brand-desc {
    font-size: var(--font-size-base);
    max-width: 720px;
    margin: 0 auto;
    color: hsl(var(--muted-foreground));
    line-height: 1.7;
}


/* ── Models Grid ───────────────────────────────────────────────── */
.models-section {
    padding: var(--spacing-3xl) 0;
}

.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.model-card {
    background-color: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    padding: var(--spacing-xl);
    border-radius: var(--radius);
    text-align: center;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 120px;
    text-decoration: none;
}

.model-card:hover {
    border-color: hsl(var(--ring));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.model-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: hsl(var(--foreground));
    margin: 0;
}


/* ── Product Hero (Model Detail Pages) ─────────────────────────── */
.product-hero {
    padding: 140px 0 64px;
    border-bottom: 1px solid hsl(var(--border));
}

.product-hero-content {
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.product-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: hsl(var(--foreground));
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.035em;
}

.product-subtitle {
    font-size: var(--font-size-xl);
    color: hsl(var(--muted-foreground));
    margin-bottom: var(--spacing-xl);
    font-weight: 400;
}

.product-description {
    font-size: var(--font-size-base);
    color: hsl(var(--muted-foreground));
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.product-image-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-hero-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    border: 1px solid hsl(var(--border));
}


/* ── Features Grid ─────────────────────────────────────────────── */
.features-section {
    padding: var(--spacing-3xl) 0;
    border-bottom: 1px solid hsl(var(--border));
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background-color: hsl(var(--card));
    padding: var(--spacing-xl);
    border-radius: var(--radius);
    border: 1px solid hsl(var(--border));
    transition: all var(--transition);
    text-align: center;
}

.feature-card:hover {
    border-color: hsl(var(--ring));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background-color: hsl(var(--secondary));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: hsl(var(--foreground));
    font-size: var(--font-size-xl);
}

.feature-card h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: hsl(var(--foreground));
}

.feature-card p {
    color: hsl(var(--muted-foreground));
    font-size: var(--font-size-sm);
    line-height: 1.6;
}


/* ── Specifications ────────────────────────────────────────────── */
.specifications-section {
    padding: var(--spacing-3xl) 0;
    border-bottom: 1px solid hsl(var(--border));
}

.specs-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
}

.spec-card {
    background-color: hsl(var(--card));
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    border: 1px solid hsl(var(--border));
    transition: all var(--transition);
}

.spec-card:hover {
    border-color: hsl(var(--ring));
}

.spec-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: hsl(var(--muted-foreground));
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.spec-value {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: hsl(var(--foreground));
    margin-bottom: var(--spacing-xs);
}

.spec-description {
    font-size: var(--font-size-sm);
    color: hsl(var(--muted-foreground));
    line-height: 1.5;
}


/* ── Problems & Solutions ──────────────────────────────────────── */
.problems-section {
    padding: var(--spacing-3xl) 0;
    border-bottom: 1px solid hsl(var(--border));
}

.problem-solution-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.problem-card {
    background-color: hsl(var(--card));
    padding: var(--spacing-xl);
    border-radius: var(--radius);
    border: 1px solid hsl(var(--border));
    border-left: 3px solid hsl(0, 62.8%, 30.6%);  /* destructive */
}

.problem-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.problem-icon {
    width: 40px;
    height: 40px;
    background-color: hsla(0, 62.8%, 30.6%, 0.1);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: hsl(0, 62.8%, 30.6%);
    font-size: var(--font-size-base);
    flex-shrink: 0;
}

.problem-card h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: hsl(var(--foreground));
    margin-bottom: var(--spacing-sm);
}

.problem-description {
    color: hsl(var(--muted-foreground));
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    font-size: var(--font-size-sm);
}

.solution-list {
    list-style: none;
    padding: 0;
}

.solution-list li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: hsl(var(--muted-foreground));
    border-bottom: 1px solid hsl(var(--border));
    font-size: var(--font-size-sm);
}

.solution-list li:last-child {
    border-bottom: none;
}

.solution-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: hsl(142, 71%, 45%);  /* success green */
    font-weight: 600;
}

.solution-card {
    background-color: hsl(var(--card));
    padding: var(--spacing-xl);
    border-radius: var(--radius);
    border: 1px solid hsl(var(--border));
    border-left: 3px solid hsl(142, 71%, 45%);
}

.solution-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.solution-icon {
    width: 40px;
    height: 40px;
    background-color: hsla(142, 71%, 45%, 0.1);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: hsl(142, 71%, 45%);
    font-size: var(--font-size-base);
    flex-shrink: 0;
}

.solution-card h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: hsl(var(--foreground));
    margin-bottom: var(--spacing-sm);
}

.solution-description {
    color: hsl(var(--muted-foreground));
    line-height: 1.6;
    font-size: var(--font-size-sm);
}


/* ── Repair Process Timeline ───────────────────────────────────── */
.process-section {
    padding: var(--spacing-3xl) 0;
    border-bottom: 1px solid hsl(var(--border));
}

.process-timeline {
    max-width: 720px;
    margin: 0 auto;
}

.process-item {
    background-color: hsl(var(--card));
    padding: var(--spacing-xl);
    border-radius: var(--radius);
    border: 1px solid hsl(var(--border));
    margin-bottom: var(--spacing-lg);
    margin-left: var(--spacing-lg);
    position: relative;
}

.process-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--spacing-lg) - 6px);
    top: 28px;
    width: 12px;
    height: 12px;
    background-color: hsl(var(--foreground));
    border-radius: 50%;
    border: 2px solid hsl(var(--background));
}

.process-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.process-number {
    width: 32px;
    height: 32px;
    background-color: hsl(var(--secondary));
    color: hsl(var(--foreground));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

.process-icon {
    width: 40px;
    height: 40px;
    background-color: hsl(var(--secondary));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: hsl(var(--foreground));
    font-size: var(--font-size-base);
    flex-shrink: 0;
}

.process-content h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: hsl(var(--foreground));
}

.process-description {
    color: hsl(var(--muted-foreground));
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.process-duration {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background-color: hsla(142, 71%, 45%, 0.1);
    color: hsl(142, 71%, 45%);
    padding: 2px var(--spacing-sm);
    border-radius: var(--radius);
    font-size: var(--font-size-xs);
    font-weight: 600;
}


/* ── Product Page CTA Section ──────────────────────────────────── */
.cta-section {
    padding: var(--spacing-3xl) 0;
    text-align: center;
    border-top: 1px solid hsl(var(--border));
}

.cta-content h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: hsl(var(--foreground));
    letter-spacing: -0.025em;
}

.cta-description {
    font-size: var(--font-size-base);
    color: hsl(var(--muted-foreground));
    margin-bottom: var(--spacing-2xl);
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}


/* ── Buttons (Product Page Variants) ───────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: all var(--transition);
    border: 1px solid transparent;
    cursor: pointer;
    line-height: 1.25rem;
}

.btn-primary {
    background-color: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
    border-color: hsl(var(--primary));
}

.btn-primary:hover {
    opacity: 0.9;
}

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

.btn-secondary:hover {
    background-color: hsl(var(--accent));
    color: hsl(var(--accent-foreground));
}

.btn-large {
    padding: 0.75rem 2rem;
    font-size: var(--font-size-base);
    height: 2.75rem;
}


/* ── Section Headers (Product Pages) ───────────────────────────── */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: hsl(var(--foreground));
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.025em;
}

.section-subtitle {
    font-size: var(--font-size-base);
    color: hsl(var(--muted-foreground));
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}


/* ── Cards ─────────────────────────────────────────────────────── */
.card {
    background-color: hsl(var(--card));
    border-radius: var(--radius);
    border: 1px solid hsl(var(--border));
    transition: all var(--transition);
    overflow: hidden;
}

.card:hover {
    border-color: hsl(var(--ring));
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid hsl(var(--border));
}

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


/* ── Badges ────────────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 9999px;
    font-size: var(--font-size-xs);
    font-weight: 500;
    border: 1px solid transparent;
}

.badge-success {
    background-color: hsla(142, 71%, 45%, 0.1);
    color: hsl(142, 71%, 45%);
    border-color: hsla(142, 71%, 45%, 0.2);
}

.badge-warning {
    background-color: hsla(38, 92%, 50%, 0.1);
    color: hsl(38, 92%, 50%);
    border-color: hsla(38, 92%, 50%, 0.2);
}

.badge-info {
    background-color: hsla(217, 91%, 60%, 0.1);
    color: hsl(217, 91%, 60%);
    border-color: hsla(217, 91%, 60%, 0.2);
}

.badge-error {
    background-color: hsla(0, 62.8%, 30.6%, 0.1);
    color: hsl(0, 62.8%, 30.6%);
    border-color: hsla(0, 62.8%, 30.6%, 0.2);
}


/* ── Alerts ────────────────────────────────────────────────────── */
.alert {
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    margin-bottom: var(--spacing-lg);
    border: 1px solid;
}

.alert-info {
    background-color: hsla(217, 91%, 60%, 0.05);
    border-color: hsla(217, 91%, 60%, 0.2);
    color: hsl(217, 91%, 60%);
}

.alert-success {
    background-color: hsla(142, 71%, 45%, 0.05);
    border-color: hsla(142, 71%, 45%, 0.2);
    color: hsl(142, 71%, 45%);
}

.alert-warning {
    background-color: hsla(38, 92%, 50%, 0.05);
    border-color: hsla(38, 92%, 50%, 0.2);
    color: hsl(38, 92%, 50%);
}

.alert-error {
    background-color: hsla(0, 62.8%, 30.6%, 0.05);
    border-color: hsla(0, 62.8%, 30.6%, 0.2);
    color: hsl(0, 62.8%, 30.6%);
}


/* ── FAQ Section ───────────────────────────────────────────────── */
.faq-section {
    padding: var(--spacing-3xl) 0;
}

.faq-item {
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    cursor: pointer;
    background-color: hsl(var(--card));
    transition: background-color var(--transition);
    font-weight: 500;
    color: hsl(var(--foreground));
    font-size: var(--font-size-sm);
}

.faq-question:hover {
    background-color: hsl(var(--accent));
}

.faq-question i {
    transition: transform var(--transition);
    color: hsl(var(--muted-foreground));
    font-size: var(--font-size-sm);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
    padding: 0 var(--spacing-lg);
    color: hsl(var(--muted-foreground));
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

.faq-answer p {
    padding: var(--spacing-lg) 0;
}


/* ── Utility ───────────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-left  { text-align: left; }
.text-right { text-align: right; }
.mb-0 { margin-bottom: 0; }
.mt-0 { margin-top: 0; }
.d-none  { display: none; }
.d-block { display: block; }
.w-full  { width: 100%; }


/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .specs-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .problem-solution-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .process-header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }

    .section-header h2 {
        font-size: var(--font-size-2xl);
    }

    .product-title,
    .brand-title {
        font-size: var(--font-size-2xl);
    }

    .models-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .brand-hero {
        padding: 100px 0 48px;
    }

    .product-hero {
        padding: 100px 0 48px;
    }
}

@media (max-width: 480px) {
    .btn-large {
        width: 100%;
        justify-content: center;
    }

    .feature-card,
    .spec-card,
    .problem-card,
    .solution-card,
    .process-item {
        padding: var(--spacing-lg);
    }
}


/* ── Print ─────────────────────────────────────────────────────── */
@media print {
    .btn {
        border: 1px solid #000;
        background: transparent !important;
        color: #000 !important;
    }
}


/* ── Reduced Motion ────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .feature-card:hover,
    .model-card:hover,
    .spec-card:hover,
    .card:hover,
    .error-card:hover {
        transform: none;
    }
}


/* ── Section Titles (model pages use .section-title) ───────────── */
.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: hsl(var(--foreground));
    margin-bottom: var(--spacing-2xl);
    letter-spacing: -0.025em;
    text-align: center;
}


/* ── Specs Grid (model pages use .specs-grid, .model-specs) ────── */
.model-specs {
    padding: var(--spacing-3xl) 0;
    border-bottom: 1px solid hsl(var(--border));
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-lg);
}

.specs-grid .spec-card {
    text-align: center;
}

.specs-grid .spec-card i {
    display: block;
    font-size: var(--font-size-2xl);
    color: hsl(var(--muted-foreground));
    margin-bottom: var(--spacing-md);
}


/* ── Common Errors (model pages use .common-errors, .errors-list,
     .error-card) ──────────────────────────────────────────────── */
.common-errors {
    padding: var(--spacing-3xl) 0;
    border-bottom: 1px solid hsl(var(--border));
}

.errors-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.error-card {
    background-color: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    border-left: 3px solid hsl(38, 92%, 50%);
    border-radius: var(--radius);
    padding: var(--spacing-xl);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.error-card:hover {
    border-color: hsl(var(--ring));
    border-left-color: hsl(38, 92%, 50%);
    box-shadow: var(--shadow-md);
}

.error-card > div {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.error-card > div i {
    color: hsl(38, 92%, 50%);
    font-size: var(--font-size-lg);
}

.error-card > div h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: hsl(var(--foreground));
    margin-bottom: 0;
}

.error-card > p {
    color: hsl(var(--muted-foreground));
    font-size: var(--font-size-sm);
    line-height: 1.7;
    margin-bottom: 0;
    flex: 1;
}


/* ── "Tamir İçin Ulaşın" Conversion Buttons ────────────────────── */
/* These are THE revenue buttons — must look like WhatsApp CTAs    */
.error-card .cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.625rem 1.25rem;
    background-color: hsl(var(--whatsapp)) !important;
    color: #fff !important;
    border: 1px solid hsl(var(--whatsapp)) !important;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition);
    width: fit-content;
    line-height: 1.25rem;
}

.error-card .cta-button:hover {
    background-color: hsl(var(--whatsapp-dark)) !important;
    border-color: hsl(var(--whatsapp-dark)) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px hsla(var(--whatsapp), 0.35);
}

.error-card .cta-button i {
    font-size: 1.1em;
    color: #fff !important;
}


/* ── FAQ Accordion (model pages use .faq, .faq-accordion) ──────── */
.faq {
    padding: var(--spacing-3xl) 0;
}

.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.faq-accordion .faq-item {
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.faq-accordion .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    cursor: pointer;
    background-color: hsl(var(--card));
    transition: background-color var(--transition);
}

.faq-accordion .faq-question:hover {
    background-color: hsl(var(--accent));
}

.faq-accordion .faq-question h3 {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: hsl(var(--foreground));
    margin: 0;
}

.faq-accordion .faq-question i {
    color: hsl(var(--muted-foreground));
    font-size: var(--font-size-sm);
    transition: transform var(--transition);
}

.faq-accordion .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
    padding: 0 var(--spacing-lg);
}

.faq-accordion .faq-answer p {
    padding: var(--spacing-lg) 0;
    color: hsl(var(--muted-foreground));
    font-size: var(--font-size-sm);
    line-height: 1.7;
}


/* ── Focus ─────────────────────────────────────────────────────── */
.btn:focus-visible,
.card:focus-within,
.model-card:focus-visible,
.error-card .cta-button:focus-visible {
    outline: 2px solid hsl(var(--ring));
    outline-offset: 2px;
}