/* ===== VARIABLES CSS - DISEÑO DE LUJO ===== */
:root {
    /* Colores Principales - Paleta Elegante */
    --primary-gold: #d4af37;
    --primary-gold-dark: #b8941f;
    --primary-gold-light: #e6c75a;
    --primary-gold-lighter: #f0d878;
    
    /* Colores Secundarios - Neutros Sofisticados */
    --charcoal: #2c2c2c;
    --charcoal-dark: #1a1a1a;
    --charcoal-light: #404040;
    --silver: #c0c0c0;
    --silver-light: #e8e8e8;
    --platinum: #f5f5f5;
    --ivory: #fffff0;
    --cream: #faf8f3;
    
    /* Colores de Acento */
    --accent-blue: #4a7c8c;
    --accent-blue-dark: #3a5f6c;
    --accent-rose: #e8b4b8;
    --accent-rose-dark: #d4a5a9;
    
    /* Gradientes Elegantes */
    --gradient-gold: linear-gradient(135deg, #d4af37 0%, #f0d878 100%);
    --gradient-charcoal: linear-gradient(135deg, #2c2c2c 0%, #404040 100%);
    --gradient-ivory: linear-gradient(135deg, #fffff0 0%, #faf8f3 100%);
    --gradient-luxury: linear-gradient(135deg, #d4af37 0%, #c0c0c0 50%, #2c2c2c 100%);
    --gradient-hero: linear-gradient(135deg, rgba(44,44,44,0.95) 0%, rgba(64,64,64,0.9) 100%);
    
    /* Colores de Texto */
    --text-primary: #2c2c2c;
    --text-secondary: #404040;
    --text-muted: #808080;
    --text-light: #c0c0c0;
    --text-white: #ffffff;
    --text-gold: #d4af37;
    
    /* Sombras Elegantes */
    --shadow-subtle: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-soft: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-medium: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-elegant: 0 12px 32px rgba(0,0,0,0.15);
    --shadow-luxury: 0 20px 48px rgba(0,0,0,0.2);
    --shadow-gold: 0 0 20px rgba(212,175,55,0.3);
    
    /* Transiciones Suaves */
    --transition-quick: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-luxury: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    
    /* Bordes y Redondeos */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    --radius-full: 9999px;
    
    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Tipografía Elegante */
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Montserrat', sans-serif;
    
    /* Font Weights */
    --weight-light: 300;
    --weight-normal: 400;
    --weight-medium: 500;
    --weight-semibold: 600;
    --weight-bold: 700;
    --weight-extrabold: 800;
    --weight-black: 900;
    
    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

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

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

body {
    font-family: var(--font-sans);
    font-weight: var(--weight-normal);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--ivory);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== PRELOADER ELEGANTE ===== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-charcoal);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.8s var(--transition-luxury), visibility 0.8s var(--transition-luxury);
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-content {
    text-align: center;
    color: var(--text-white);
}

.preloader-logo .logo-icon {
    font-size: 3rem;
    color: var(--primary-gold);
    margin-bottom: 2rem;
    animation: float 3s ease-in-out infinite;
}

.brand-name {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: var(--weight-black);
    letter-spacing: 0.1em;
    color: var(--text-white);
    display: block;
    margin-bottom: 1.5rem;
}

.preloader-line {
    width: 100px;
    height: 2px;
    background: var(--gradient-gold);
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.preloader-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--primary-gold);
    animation: loadingLine 2s ease-in-out infinite;
}

/* ===== HEADER MINIMALISTA ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    transition: var(--transition-smooth);
}

.navbar {
    padding: 1.5rem 0;
    transition: var(--transition-smooth);
}

.header.scrolled .navbar {
    padding: 1rem 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-soft);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: var(--weight-black);
    color: var(--text-primary);
    text-decoration: none;
}

.nav-logo .logo-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.25rem;
    transition: var(--transition-smooth);
}

.nav-logo:hover .logo-icon {
    transform: scale(1.05) rotate(5deg);
    box-shadow: var(--shadow-gold);
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-link {
    color: var(--text-primary);
    font-weight: var(--weight-medium);
    text-decoration: none;
    transition: var(--transition-quick);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-gold);
    transition: width 0.3s ease;
}

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.btn-vip {
    background: var(--gradient-gold);
    color: var(--text-primary);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: var(--weight-semibold);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-vip::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left 0.3s ease;
}

.btn-vip:hover::before {
    left: 100%;
}

.btn-vip:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-elegant);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
    transition: var(--transition-smooth);
}

/* ===== HERO SECTION ELEGANTE ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--gradient-hero);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(44,44,44,0.9) 0%, rgba(64,64,64,0.8) 100%);
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(212,175,55,0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(192,192,192,0.05) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(212, 175, 55, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(212, 175, 55, 0.2);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    color: var(--text-white);
    font-size: 0.875rem;
    font-weight: var(--weight-medium);
    margin-bottom: 2rem;
}

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

.hero-title {
    font-family: var(--font-serif);
    font-size: 4rem;
    font-weight: var(--weight-black);
    line-height: 1.1;
    color: var(--text-white);
    margin-bottom: 2rem;
}

.title-line {
    display: block;
}

.title-accent {
    color: var(--primary-gold);
}

.hero-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.btn-primary,
.btn-secondary {
    position: relative;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    font-weight: var(--weight-semibold);
    cursor: pointer;
    overflow: hidden;
    transition: var(--transition-smooth);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--text-primary);
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-elegant);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-white);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.btn-content {
    position: relative;
    z-index: 1;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-white);
    font-size: 0.875rem;
    font-weight: var(--weight-medium);
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: rgba(212, 175, 55, 0.2);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-gold);
    font-size: 1rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scroll-text {
    font-family: var(--font-sans);
    font-weight: var(--weight-medium);
}

.scroll-line {
    width: 1px;
    height: 30px;
    background: linear-gradient(to bottom, var(--primary-gold), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

/* ===== SECTIONS BASE ===== */
section {
    padding: 6rem 0;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-gold);
    color: var(--text-primary);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: var(--weight-medium);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: var(--weight-black);
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.title-main {
    display: block;
}

.title-accent {
    display: block;
    color: var(--primary-gold);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ===== EXPERIENCIA DEL PACIENTE ===== */
.experience {
    background: var(--cream);
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.experience-card {
    background: var(--text-white);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
    position: relative;
}

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

.experience-image {
    position: relative;
    height: 250px;
    background: var(--gradient-charcoal);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 3rem;
}

.experience-overlay {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-weight: var(--weight-bold);
    font-size: 1.25rem;
}

.experience-content {
    padding: 2.5rem;
}

.experience-title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: var(--weight-bold);
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.experience-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.experience-amenities {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.amenity {
    background: var(--ivory);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: var(--weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid var(--silver-light);
}

/* ===== SERVICIOS PREMIUM ===== */
.services {
    background: var(--ivory);
}

.services-showcase {
    max-width: 1000px;
    margin: 0 auto;
}

.services-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tab-btn {
    background: var(--text-white);
    border: 1px solid var(--silver-light);
    color: var(--text-secondary);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: var(--weight-medium);
    cursor: pointer;
    transition: var(--transition-quick);
}

.tab-btn.active,
.tab-btn:hover {
    background: var(--gradient-gold);
    color: var(--text-primary);
    border-color: transparent;
}

.services-content {
    position: relative;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.service-premium {
    display: flex;
    gap: 3rem;
    align-items: center;
    margin-bottom: 3rem;
    padding: 2rem;
    background: var(--text-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
}

.service-premium:hover {
    box-shadow: var(--shadow-elegant);
}

.service-visual {
    flex-shrink: 0;
    width: 100px;
    height: 100px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 2rem;
    box-shadow: var(--shadow-gold);
}

.service-info {
    flex: 1;
}

.service-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: var(--weight-bold);
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.service-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.service-highlights {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.highlight-item i {
    color: var(--primary-gold);
    font-size: 0.75rem;
}

.service-meta {
    display: flex;
    gap: 2rem;
    font-size: 0.875rem;
}

.duration {
    color: var(--text-muted);
}

.price {
    color: var(--primary-gold);
    font-weight: var(--weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===== CITAS Y MEMBRESÍAS ===== */
.appointments {
    background: var(--ivory);
}

.appointments-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.membership-tiers {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.membership-card {
    background: var(--text-white);
    border-radius: var(--radius-2xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
    position: relative;
    border: 2px solid transparent;
}

.membership-card.featured {
    border-color: var(--primary-gold);
    transform: scale(1.05);
    box-shadow: var(--shadow-elegant);
}

.membership-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-gold);
    color: var(--text-primary);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: var(--weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.membership-header {
    text-align: center;
    margin-bottom: 2rem;
}

.membership-name {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: var(--weight-bold);
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.membership-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.price-symbol {
    font-size: 1.5rem;
    color: var(--primary-gold);
    font-weight: var(--weight-bold);
}

.price-amount {
    font-size: 3rem;
    font-weight: var(--weight-black);
    color: var(--text-primary);
}

.price-period {
    color: var(--text-muted);
    font-weight: var(--weight-medium);
}

.membership-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
}

.feature-item i {
    color: var(--primary-gold);
    font-size: 0.875rem;
}

.membership-btn {
    width: 100%;
    background: var(--gradient-charcoal);
    color: var(--text-white);
    border: none;
    padding: 1rem;
    border-radius: var(--radius-lg);
    font-weight: var(--weight-semibold);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.membership-btn:hover {
    background: var(--gradient-gold);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.appointment-form-container {
    background: var(--text-white);
    padding: 3rem;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-soft);
}

.form-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.form-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: var(--weight-bold);
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-subtitle {
    color: var(--text-secondary);
    line-height: 1.6;
}

.appointment-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem 0;
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--silver-light);
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--text-primary);
    transition: var(--transition-quick);
}

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

.form-group input:focus + .form-label,
.form-group select:focus + .form-label,
.form-group textarea:focus + .form-label,
.form-group input:not(:placeholder-shown) + .form-label,
.form-group select:valid + .form-label,
.form-group textarea:not(:placeholder-shown) + .form-label {
    top: -0.5rem;
    font-size: 0.875rem;
    color: var(--primary-gold);
}

.form-label {
    position: absolute;
    top: 1rem;
    left: 0;
    color: var(--text-muted);
    font-size: 1rem;
    transition: var(--transition-quick);
    pointer-events: none;
}

.checkbox-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.checkbox-wrapper input[type="checkbox"] {
    display: none;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--silver-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-quick);
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-wrapper input[type="checkbox"]:checked + .checkbox-label .checkbox-custom {
    background: var(--gradient-gold);
    border-color: var(--primary-gold);
}

.checkbox-wrapper input[type="checkbox"]:checked + .checkbox-label .checkbox-custom::after {
    content: '✓';
    color: var(--text-primary);
    font-size: 0.75rem;
    font-weight: var(--weight-bold);
}

.submit-btn {
    background: var(--gradient-gold);
    color: var(--text-primary);
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    font-weight: var(--weight-semibold);
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-elegant);
}

/* ===== FOOTER ELEGANTE ===== */
.footer {
    background: var(--charcoal-dark);
    color: var(--text-white);
}

.footer-top {
    padding: 4rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: var(--weight-black);
    color: var(--text-white);
    text-decoration: none;
}

.footer-logo .logo-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 1.25rem;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    transition: var(--transition-quick);
}

.social-link:hover {
    background: var(--gradient-gold);
    color: var(--text-primary);
    transform: translateY(-3px);
}

.footer-column h4 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: var(--weight-bold);
    margin-bottom: 1.5rem;
    color: var(--text-white);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-quick);
}

.footer-links a:hover {
    color: var(--primary-gold);
    transform: translateX(5px);
}

.footer-bottom {
    padding: 2rem 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-quick);
}

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

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--gradient-gold);
    color: var(--text-primary);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow-elegant);
    z-index: var(--z-fixed);
    transition: var(--transition-smooth);
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-luxury);
}

.whatsapp-icon {
    font-size: 1.5rem;
}

.whatsapp-text {
    font-weight: var(--weight-semibold);
}

/* ===== FACEBOOK FLOAT ===== */
.facebook-float {
    position: fixed;
    bottom: 100px;
    right: 30px;
    background: var(--gradient-gold);
    color: var(--text-primary);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow-elegant);
    z-index: var(--z-fixed);
    transition: var(--transition-smooth);
    text-decoration: none;
}

.facebook-float:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-luxury);
}

.facebook-icon {
    font-size: 1.5rem;
}

.facebook-text {
    font-weight: var(--weight-semibold);
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-charcoal);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
    z-index: var(--z-fixed);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--gradient-gold);
    color: var(--text-primary);
    transform: translateY(-5px);
}

/* ===== ANIMATIONS ===== */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes expand {
    0% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0;
    }
}

@keyframes loadingLine {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

@keyframes scrollLine {
    0%, 100% {
        height: 30px;
        opacity: 0.3;
    }
    50% {
        height: 40px;
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
    .appointments-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .service-premium {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--text-white);
        box-shadow: var(--shadow-luxury);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: right 0.3s ease;
        z-index: var(--z-modal);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-links {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    
    .mobile-menu-toggle {
        display: flex;
        z-index: calc(var(--z-modal) + 1);
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 1.5rem;
        align-items: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .experience-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .footer-legal {
        flex-direction: column;
        gap: 1rem;
    }
    
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        padding: 0.75rem 1rem;
    }
    
    .whatsapp-text {
        display: none;
    }
    
    .facebook-float {
        bottom: 90px;
        right: 20px;
        padding: 0.75rem 1rem;
    }
    
    .facebook-text {
        display: none;
    }
    
    .back-to-top {
        bottom: 20px;
        left: 20px;
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .services-tabs {
        gap: 0.5rem;
    }
    
    .tab-btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
    
    .service-premium {
        padding: 1.5rem;
        gap: 2rem;
    }
    
    .appointment-form-container {
        padding: 2rem;
    }
    
    .membership-card {
        padding: 2rem;
    }
    
    .membership-card.featured {
        transform: scale(1);
    }
}

/* ===== ACCESIBILIDAD ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== FOCUS STATES ===== */
.btn:focus,
.btn:focus-visible,
.nav-link:focus,
.nav-link:focus-visible,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--primary-gold);
    outline-offset: 2px;
}

/* ===== PRINT STYLES ===== */
@media print {
    .header,
    .whatsapp-float,
    .facebook-float,
    .back-to-top,
    .preloader {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
        color: var(--text-primary);
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
    
    section {
        padding: 2rem 0;
    }
}