/* ============================================
   VARIABLES Y CONFIGURACIÓN GLOBAL
   ============================================ */
:root {
    /* Colores principales - paleta cálida y profesional */
    --color-primary: #d4a373;
    --color-primary-dark: #b8835a;
    --color-secondary: #f5f0e8;
    --color-accent: #c9a876;
    --color-white: #ffffff;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-border: #e5ddd0;
    --color-shadow: rgba(0, 0, 0, 0.1);
    
    /* Espaciado */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;
    
    /* Tipografía */
    --font-primary: 'Georgia', 'Times New Roman', serif;
    --font-secondary: 'Segoe UI', 'Helvetica Neue', sans-serif;
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ============================================
   RESET Y ESTILOS BASE
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-secondary);
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-white);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

ul {
    list-style: none;
}

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

.section-title {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    font-size: 1.1rem;
}

.section-divider {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
    margin: 0 auto var(--spacing-lg);
}

/* ============================================
   BOTONES
   ============================================ */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 163, 115, 0.3);
}

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

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* ============================================
   HEADER Y NAVEGACIÓN
   ============================================ */
.header {
    background-color: var(--color-white);
    box-shadow: 0 2px 8px var(--color-shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all var(--transition-normal);
}

.header.scrolled {
    box-shadow: 0 4px 16px var(--color-shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo h1 {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    color: var(--color-text);
    margin-bottom: 4px;
}

.logo-subtitle {
    font-size: 0.85rem;
    color: var(--color-text-light);
    font-style: italic;
}

.nav-list {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: var(--color-text);
    font-weight: 500;
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    width: 28px;
    height: 3px;
    background-color: var(--color-text);
    transition: all var(--transition-normal);
    border-radius: 2px;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    margin-top: 90px;
    background: linear-gradient(135deg, var(--color-secondary) 0%, #faf7f2 100%);
    padding: var(--spacing-xxl) 0;
    min-height: calc(100vh - 90px);
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-family: var(--font-primary);
    font-size: 3rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    animation: fadeInUp 0.8s ease;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-rating {
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.stars {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-bottom: 8px;
}

.star {
    color: var(--color-primary);
    font-size: 1.5rem;
}

.rating-text {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

/* ============================================
   SOBRE LA DOCTORA
   ============================================ */
.about {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-white);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-description {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    text-align: center;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--color-secondary);
    border-radius: 8px;
    transition: transform var(--transition-normal);
}

.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px var(--color-shadow);
}

.feature-item h3 {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.feature-item p {
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ============================================
   SERVICIOS
   ============================================ */
.services {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 8px;
    text-align: center;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: 0 12px 32px var(--color-shadow);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.service-card h3 {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ============================================
   TESTIMONIOS
   ============================================ */
.testimonials {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.testimonial-card {
    background-color: var(--color-secondary);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border-left: 4px solid var(--color-primary);
    transition: all var(--transition-normal);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--color-shadow);
}

.testimonial-stars {
    display: flex;
    gap: 4px;
    margin-bottom: var(--spacing-sm);
}

.testimonial-text {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.testimonial-author {
    color: var(--color-text-light);
    font-weight: 600;
    font-size: 0.95rem;
}

/* ============================================
   CONTACTO
   ============================================ */
.contact {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

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

.contact-item h3 {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.contact-item p {
    color: var(--color-text-light);
    line-height: 1.8;
}

.contact-item a {
    color: var(--color-primary);
    font-weight: 600;
}

.contact-item a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.contact-note {
    font-size: 0.9rem;
    font-style: italic;
}

.contact-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

.contact-map {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 16px var(--color-shadow);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: var(--color-text);
    color: var(--color-white);
    padding: var(--spacing-xxl) 0 var(--spacing-md);
}

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

.footer-info h3 {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.footer-info p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 8px;
}

.footer-contact {
    font-weight: 500;
}

.footer-links h4 {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

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

.footer-cta h4 {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   SCROLL TO TOP BUTTON
   ============================================ */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
    box-shadow: 0 4px 12px var(--color-shadow);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-4px);
}

/* ============================================
   ANIMACIONES
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablets */
@media (max-width: 1024px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* Móviles */
@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 90px;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        box-shadow: 0 4px 16px var(--color-shadow);
        padding: var(--spacing-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .about-features,
    .services-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .btn {
        width: 100%;
    }
    
    .scroll-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}