/* ==========================================================================
   Veterinaria Luciana García — Main Stylesheet
   Consolidated from React components into clean, maintainable CSS.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
    --color-primary: #74578e;
    --color-primary-light: #9b7bb8;
    --color-primary-dark: #5a4270;

    --color-background: #f5f9f7;
    --color-surface: #ffffff;
    --color-white: #ffffff;

    --color-text-main: #2c2c2c;
    --color-text-light: #666666;
    --color-accent: #a8e6cf;

    --color-error: #ff6b6b;
    --color-success: #51cf66;

    --font-main: 'Montserrat', system-ui, -apple-system, sans-serif;
    --font-heading: 'Montserrat', sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1.5rem;
    --spacing-md: 3rem;
    --spacing-lg: 6rem;
    --spacing-xl: 10rem;

    --radius-sm: 12px;
    --radius-md: 24px;
    --radius-lg: 32px;
    --radius-full: 9999px;

    --shadow-sm: 0 4px 6px -1px rgba(116, 87, 142, 0.1),
                 0 2px 4px -1px rgba(116, 87, 142, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(116, 87, 142, 0.1),
                 0 4px 6px -2px rgba(116, 87, 142, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(116, 87, 142, 0.1),
                 0 10px 10px -5px rgba(116, 87, 142, 0.04);
    --shadow-hover: 0 25px 50px -12px rgba(116, 87, 142, 0.25);

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   2. Reset & Base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-background);
    color: var(--color-text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-normal);
}

button {
    cursor: pointer;
    border: none;
    font-family: inherit;
    outline: none;
}

ul { list-style: none; }

img {
    max-width: 100%;
    display: block;
    border-radius: var(--radius-md);
}

/* --------------------------------------------------------------------------
   3. Layout
   -------------------------------------------------------------------------- */
.app-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content {
    flex: 1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

/* --------------------------------------------------------------------------
   4. Utilities
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.w-full { width: 100%; }
.bg-surface { background-color: var(--color-surface); }

/* --------------------------------------------------------------------------
   5. Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.02em;
    transition: var(--transition-normal);
    text-transform: uppercase;
    text-align: center;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-surface);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background-color: var(--color-surface);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-surface);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

/* --------------------------------------------------------------------------
   6. Header
   -------------------------------------------------------------------------- */
.header {
    background-color: var(--color-surface);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary-dark);
    font-weight: 700;
    font-size: 1.25rem;
    font-family: var(--font-heading);
}

.logo-icon {
    color: var(--color-primary);
}

.nav-menu ul {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--color-text-main);
    font-weight: 500;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--color-primary);
    border-radius: 1px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    color: var(--color-text-main);
    padding: 0.25rem;
}

/* --------------------------------------------------------------------------
   7. Hero
   -------------------------------------------------------------------------- */
.hero {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--color-background) 0%, #e6e9f0 100%);
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--color-primary-dark);
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: var(--color-text-main);
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.image-container {
    width: 100%;
    height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--color-surface);
}

.image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
}

/* --------------------------------------------------------------------------
   8. Highlights (Home)
   -------------------------------------------------------------------------- */
.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.highlight-card {
    text-align: center;
    padding: 2rem;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

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

.icon-box {
    width: 64px;
    height: 64px;
    background-color: var(--color-accent);
    color: var(--color-primary-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.highlight-card h3 {
    margin-bottom: 1rem;
    color: var(--color-primary-dark);
}

/* --------------------------------------------------------------------------
   9. CTA Section (Home)
   -------------------------------------------------------------------------- */
.cta-section {
    background-color: var(--color-primary);
    color: var(--color-surface);
}

.cta-section h2 {
    color: var(--color-surface);
    margin-bottom: 1rem;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
}

.cta-section .btn-primary {
    background-color: var(--color-surface);
    color: var(--color-primary);
}

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

/* --------------------------------------------------------------------------
   10. About
   -------------------------------------------------------------------------- */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-subtitle {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.about-text p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.approach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.approach-item {
    background: var(--color-background);
    padding: 2.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.approach-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.approach-item h3 {
    color: var(--color-primary);
    margin-bottom: 1rem;
}

/* --------------------------------------------------------------------------
   11. Services
   -------------------------------------------------------------------------- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid #eee;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.service-card-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    color: inherit;
}

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

.service-card.highlight {
    border: 2px solid var(--color-primary);
}

.service-title {
    color: var(--color-primary-dark);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.service-card .description {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

.card-body {
    flex: 1;
    margin-bottom: 2rem;
}

.features-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.check-icon {
    color: var(--color-primary);
    margin-top: 4px;
    flex-shrink: 0;
}

.card-footer {
    border-top: 1px solid #eee;
    padding-top: 1.5rem;
}

.prices {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.price-item {
    display: flex;
    flex-direction: column;
}

.price-item .label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-light);
}

.price-item .amount {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary-dark);
}

.additional-info {
    background-color: var(--color-surface);
    padding: 3rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.additional-info h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.additional-info ul {
    list-style: disc;
    padding-left: 1.5rem;
}

.additional-info li {
    margin-bottom: 0.5rem;
}

/* --------------------------------------------------------------------------
   12. News
   -------------------------------------------------------------------------- */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.news-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.news-card-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    color: inherit;
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.news-image-container {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.news-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
    transition: transform 0.5s ease;
}

.news-card:hover .news-image {
    transform: scale(1.05);
}

.news-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-date {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 0.75rem;
}

.news-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--color-primary);
    line-height: 1.3;
}

.news-description {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    flex: 1;
}

.btn-read-more {
    background: transparent;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0;
    text-align: left;
    display: inline-flex;
    align-items: center;
    transition: color var(--transition-fast);
    cursor: pointer;
}

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

/* News detail */
.news-detail-header h1 {
    margin-bottom: 0.5rem;
}

.news-detail-image {
    margin: 2rem 0;
}

.news-detail-content {
    line-height: 1.8;
}

/* --------------------------------------------------------------------------
   13. Contact
   -------------------------------------------------------------------------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.steps-card {
    background-color: var(--color-surface);
    padding: 2.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.steps-card h2 {
    font-size: 1.5rem;
}

.steps-list {
    list-style: decimal;
    padding-left: 1.5rem;
    margin-top: 1rem;
}

.steps-list li {
    margin-bottom: 0.5rem;
}

.steps-list a {
    color: var(--color-primary);
    text-decoration: underline;
    font-weight: 500;
}

.steps-list a:hover {
    color: var(--color-primary-dark);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.method-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.method-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.method-icon {
    color: var(--color-primary);
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.policy-card {
    border: 1px solid var(--color-error);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.policy-header {
    background-color: #fdedec;
    color: var(--color-error);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.policy-header h2 {
    color: var(--color-error);
    font-size: 1.5rem;
    margin-bottom: 0;
}

.policy-content {
    padding: 2rem;
}

.policy-content ul {
    list-style: disc;
    padding-left: 1.5rem;
    margin-top: 1rem;
}

.policy-content li {
    margin-bottom: 0.75rem;
}

/* --------------------------------------------------------------------------
   14. Footer
   -------------------------------------------------------------------------- */
.footer {
    background-color: var(--color-primary-dark);
    color: var(--color-surface);
    padding: 4rem 0 2rem;
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    color: var(--color-surface);
    margin-bottom: 1rem;
}

.footer-section h4 {
    color: var(--color-accent);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.contact-list li,
.footer-links li {
    margin-bottom: 1rem;
}

.contact-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.contact-list a,
.footer-links a {
    color: rgba(255, 255, 255, 0.85);
}

.contact-list a:hover,
.footer-links a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* --------------------------------------------------------------------------
   15. WhatsApp Floating Button
   -------------------------------------------------------------------------- */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.4);
    background-color: #20ba56;
}

.whatsapp-float svg {
    width: 35px;
    height: 35px;
}

/* --------------------------------------------------------------------------
   16. Animations
   -------------------------------------------------------------------------- */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

/* --------------------------------------------------------------------------
   17. Responsive Design
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }

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

    /* Header Mobile */
    .mobile-menu-btn {
        display: block;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-surface);
        padding: 2rem;
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: -1;
    }

    .nav-menu.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-menu ul {
        flex-direction: column;
        gap: 1.5rem;
    }

    /* Hero Mobile */
    .hero {
        background: var(--color-background);
        text-align: center;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        margin: 0 auto 2rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    /* About Mobile */
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-image {
        order: -1;
    }

    /* Contact Mobile */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    /* Footer Mobile */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .contact-list li {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .btn {
        padding: 0.875rem 2rem;
        font-size: 0.9rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
}