/* ============================================
   NuevoTu - Modern Healthcare Website Styles
   ============================================ */

/* CSS Variables */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #8b5cf6;
    --accent: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;

    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    --white: #ffffff;
    --black: #000000;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    --radius-sm: 0.25rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    --transition: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--gray-900);
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: var(--font-size-4xl);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-xl);
}

@media (min-width: 768px) {
    h1 {
        font-size: var(--font-size-5xl);
    }

    h2 {
        font-size: var(--font-size-4xl);
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

.btn-outline {
    background: transparent;
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
}

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

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

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-base);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-100);
    transition: all var(--transition);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    display: flex;
    gap: 0;
}

.logo-nuevo {
    color: var(--gray-900);
}

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

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

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-600);
    transition: color var(--transition);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

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

.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    padding: 0.5rem;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1rem;
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.dropdown-menu a:hover {
    background: var(--gray-50);
    color: var(--primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    transition: all var(--transition);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        transform: translateX(100%);
        transition: transform var(--transition-slow);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-link {
        font-size: var(--font-size-lg);
        padding: 0.75rem 0;
    }

    .dropdown-menu {
        position: static;
        transform: none;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        padding-left: 1rem;
    }

    .nav-cta {
        width: 100%;
        margin-top: 1rem;
    }
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr 1fr;
    }

    .hero {
        padding: 10rem 0 6rem;
    }
}

.hero-content h1 {
    margin-bottom: 1.5rem;
}

.highlight {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    margin-bottom: 2rem;
    max-width: 540px;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

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

.hero-image-placeholder {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Trust Banner */
.trust-banner {
    padding: 2rem 0;
    background: var(--gray-900);
    color: var(--white);
}

.trust-banner .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .trust-banner .container {
        flex-direction: row;
        justify-content: space-between;
    }
}

.trust-text {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
}

.trust-items {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-sm);
    color: var(--gray-300);
}

.trust-item svg {
    color: var(--success);
}

/* Section Headers */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
}

.section-header p {
    color: var(--gray-600);
    margin-top: 1rem;
    font-size: var(--font-size-lg);
}

/* Services Section */
.services {
    padding: 6rem 0;
}

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

@media (min-width: 640px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.service-card {
    display: flex;
    flex-direction: column;
    padding: 2rem;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
}

.service-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.service-icon {
    width: 48px;
    height: 48px;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    margin-bottom: 0.75rem;
}

.service-card p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    flex-grow: 1;
    margin-bottom: 1rem;
}

.service-price {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.service-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-500);
    transition: color var(--transition);
}

.service-card:hover .service-link {
    color: var(--primary);
}

/* How It Works */
.how-it-works {
    padding: 6rem 0;
    background: var(--gray-50);
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .steps {
        gap: 0;
    }
}

.step {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    position: relative;
}

@media (min-width: 768px) {
    .step {
        padding-bottom: 3rem;
    }

    .step:not(:last-child)::after {
        content: '';
        position: absolute;
        left: 24px;
        top: 56px;
        bottom: 0;
        width: 2px;
        background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
    }
}

.step-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    font-size: var(--font-size-xl);
    font-weight: 700;
    border-radius: var(--radius-full);
}

.step-content h3 {
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--gray-600);
}

/* Why Us Section */
.why-us {
    padding: 6rem 0;
}

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

@media (min-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature {
    text-align: center;
    padding: 2rem;
}

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius-lg);
    margin: 0 auto 1.5rem;
    color: var(--white);
}

.feature h3 {
    margin-bottom: 0.75rem;
}

.feature p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

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

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-lg);
    margin-bottom: 2rem;
}

.cta-note {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-top: 1rem;
}

/* Footer */
.footer {
    padding: 4rem 0 2rem;
    background: var(--gray-900);
    color: var(--gray-400);
}

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

@media (min-width: 640px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-brand p {
    margin-top: 1rem;
    font-size: var(--font-size-sm);
    max-width: 300px;
}

.footer-brand .logo {
    font-size: var(--font-size-2xl);
}

.footer-brand .logo-nuevo {
    color: var(--white);
}

.footer-links h4 {
    color: var(--white);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    font-size: var(--font-size-sm);
    transition: color var(--transition);
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--gray-800);
    text-align: center;
}

.footer-bottom p {
    font-size: var(--font-size-sm);
}

.disclaimer {
    margin-top: 0.5rem;
    font-size: var(--font-size-xs);
    color: var(--gray-500);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Page Header (for inner pages) */
.page-header {
    padding: 8rem 0 4rem;
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
    text-align: center;
}

.page-header h1 {
    margin-bottom: 1rem;
}

.page-header p {
    color: var(--gray-600);
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin: 0 auto;
}

/* Content Section */
.content-section {
    padding: 4rem 0;
}

.content-section:nth-child(even) {
    background: var(--gray-50);
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 768px) {
    .content-grid {
        grid-template-columns: 1fr 1fr;
    }

    .content-grid.reverse {
        direction: rtl;
    }

    .content-grid.reverse > * {
        direction: ltr;
    }
}

.content-text h2 {
    margin-bottom: 1rem;
}

.content-text p {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
}

.content-text ul {
    margin-bottom: 1.5rem;
}

.content-text li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--gray-600);
}

.content-text li svg {
    flex-shrink: 0;
    color: var(--success);
    margin-top: 0.25rem;
}

/* Pricing Card */
.pricing-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    text-align: center;
    transition: all var(--transition);
}

.pricing-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    border-color: var(--primary);
    position: relative;
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: 0.25rem 1rem;
    border-radius: var(--radius-full);
}

.pricing-card h3 {
    margin-bottom: 0.5rem;
}

.pricing-card .price {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--gray-900);
    margin: 1rem 0;
}

.pricing-card .price span {
    font-size: var(--font-size-base);
    font-weight: 400;
    color: var(--gray-500);
}

.pricing-card ul {
    text-align: left;
    margin: 2rem 0;
}

.pricing-card li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.pricing-card li svg {
    color: var(--success);
    flex-shrink: 0;
}

/* FAQ Section */
.faq-section {
    padding: 4rem 0;
}

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

.faq-item {
    border-bottom: 1px solid var(--gray-200);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--gray-900);
}

.faq-question svg {
    flex-shrink: 0;
    transition: transform var(--transition);
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

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

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding-bottom: 1.5rem;
    color: var(--gray-600);
}

/* Contact Form */
.contact-section {
    padding: 4rem 0;
}

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

@media (min-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-info h2 {
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--gray-600);
    margin-bottom: 2rem;
}

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

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

.contact-method-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    color: var(--primary);
}

.contact-method-text h4 {
    font-size: var(--font-size-sm);
    margin-bottom: 0.25rem;
}

.contact-method-text p {
    margin: 0;
    font-size: var(--font-size-sm);
}

.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: var(--font-size-base);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-2 {
    margin-top: 2rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

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

/* Safety Info Box */
.safety-info {
    background: var(--gray-50);
    border-left: 4px solid var(--warning);
    padding: 1.5rem;
    border-radius: var(--radius);
    margin: 2rem 0;
}

.safety-info h4 {
    color: var(--warning);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.safety-info p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    margin: 0;
}

/* Benefits List */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
}

.benefit-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius);
    color: var(--white);
}

.benefit-item h4 {
    font-size: var(--font-size-sm);
    margin-bottom: 0.25rem;
}

.benefit-item p {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
    margin: 0;
}