:root {
    --color-primary: #e67e22;
    --color-primary-dark: #d35400;
    --color-secondary: #2c3e50;
    --color-bg: #fdf2e9;
    --color-surface: #ffffff;
    --color-text: #2c3e50;
    --color-text-light: #7f8c8d;
    --color-border: #e0d5c7;
    --color-success: #27ae60;
    --color-error: #c0392b;
    --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
    --transition: 0.2s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-main);
    color: var(--color-text);
    background: var(--color-surface);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main { flex: 1; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--color-primary);
    color: #fff;
    padding: var(--spacing-xs) var(--spacing-sm);
    z-index: 1000;
    border-radius: 0 0 var(--radius-sm) 0;
}

.skip-link:focus {
    left: 0;
}

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    color: var(--color-secondary);
    font-weight: 700;
    font-size: 1.2rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    flex-direction: column;
    gap: 5px;
}

.menu-bar {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--color-secondary);
    border-radius: 2px;
    transition: var(--transition);
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.main-nav a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    padding: var(--spacing-xs) 0;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.main-nav a:hover, .main-nav a.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.hero {
    background: var(--color-bg);
    padding: var(--spacing-xl) 0;
}

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

.hero-text h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-secondary);
}

.hero-text p {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-image svg {
    width: 100%;
    max-width: 400px;
    height: auto;
    display: block;
    margin: 0 auto;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    font-size: 1rem;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
}

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

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

.btn-secondary:hover {
    background: var(--color-primary);
    color: #fff;
}

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

.btn-outline:hover {
    background: var(--color-primary);
    color: #fff;
}

.btn-light {
    background: #fff;
    color: var(--color-primary);
}

.btn-light:hover {
    background: var(--color-bg);
}

.btn-text {
    background: none;
    color: var(--color-primary);
    padding: 0.75rem 0.5rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.section {
    padding: var(--spacing-xl) 0;
}

.section h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-secondary);
    font-size: 2rem;
}

.credibility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.cred-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.cred-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

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

.dog-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.dog-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

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

.dog-card-body {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    flex: 1;
}

.dog-card-body h3 {
    color: var(--color-secondary);
}

.dog-meta {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.dog-excerpt {
    flex: 1;
}

.center-action {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.cta-section {
    background: var(--color-primary);
    color: #fff;
}

.cta-inner {
    text-align: center;
}

.cta-inner h2 {
    color: #fff;
}

.cta-inner p {
    margin-bottom: var(--spacing-md);
}

.page-header {
    background: var(--color-bg);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.page-header h1 {
    color: var(--color-secondary);
    font-size: 2.2rem;
}

.page-header p {
    color: var(--color-text-light);
}

.filter-form {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    align-items: flex-end;
    margin-bottom: var(--spacing-lg);
    background: var(--color-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

.filter-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
    min-width: 200px;
}

.filter-field label {
    font-weight: 600;
    font-size: 0.9rem;
}

.filter-field input, .filter-field select {
    padding: 0.6rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
}

.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-light);
}

.breadcrumb {
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--color-primary);
    text-decoration: none;
}

.dog-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.dog-detail-image img {
    width: 100%;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.dog-detail-info h1 {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.dog-specs {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.dog-specs li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--color-border);
}

.dog-detail-info h2 {
    text-align: left;
    margin-bottom: var(--spacing-xs);
    font-size: 1.3rem;
}

.dog-detail-info .btn {
    margin-top: var(--spacing-sm);
    margin-right: var(--spacing-xs);
}

.form-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label, .form-group legend {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 0.7rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 400 !important;
    margin-bottom: 4px;
}

.checkbox-label input {
    width: auto;
}

.flash-container {
    margin-top: var(--spacing-sm);
}

.flash {
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.flash-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.flash-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.confirmation-inner {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.confirmation-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--color-success);
    color: #fff;
    font-size: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.confirmation-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-text h2 {
    text-align: left;
    margin-bottom: var(--spacing-xs);
    font-size: 1.5rem;
}

.about-text p, .about-text ul {
    margin-bottom: var(--spacing-md);
}

.about-text ul {
    padding-left: var(--spacing-md);
}

.about-image svg {
    width: 100%;
    max-width: 400px;
    height: auto;
    display: block;
    margin: 0 auto;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.contact-info h2 {
    text-align: left;
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.contact-info p {
    margin-bottom: var(--spacing-sm);
}

.error-inner {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.error-inner h1 {
    font-size: 5rem;
    color: var(--color-primary);
}

.error-inner p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

.site-footer {
    background: var(--color-secondary);
    color: #ecf0f1;
    margin-top: var(--spacing-xl);
}

.footer-inner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
}

.footer-col h3 {
    margin-bottom: var(--spacing-sm);
    color: #fff;
}

.footer-col ul {
    list-style: none;
}

.footer-col a {
    color: #ecf0f1;
    text-decoration: none;
}

.footer-col a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    text-align: center;
    padding: var(--spacing-sm);
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    .main-nav {
        display: none;
        width: 100%;
    }
    .main-nav.open {
        display: block;
    }
    .main-nav ul {
        flex-direction: column;
        gap: 0;
    }
    .main-nav a {
        display: block;
        padding: var(--spacing-sm);
        border-bottom: 1px solid var(--color-border);
    }
    .hero-inner, .dog-detail, .about-content, .contact-layout {
        grid-template-columns: 1fr;
    }
    .hero-text h1 {
        font-size: 2rem;
    }
    .section h2 {
        font-size: 1.6rem;
    }
    .filter-form {
        flex-direction: column;
        align-items: stretch;
    }
    .filter-field {
        min-width: auto;
    }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { transition: none !important; animation: none !important; }
}