/* Blue Saúde - Landing Page CSS inspirada no design da Apple */

/* Reset e configurações base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Paleta de cores inspirada na Apple com toque de azul para saúde */
    --primary-blue: #007AFF;
    --secondary-blue: #5AC8FA;
    --dark-blue: #0051D5;
    --light-blue: #E3F2FD;
    --text-primary: #1D1D1F;
    --text-secondary: #86868B;
    --background-white: #FFFFFF;
    --background-light: #F5F5F7;
    --background-dark: #000000;
    --border-light: #D2D2D7;
    
    /* Tipografia Apple-style */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Espaçamentos */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;
    --spacing-xxxl: 96px;
    
    /* Bordas e sombras */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 40px rgba(0, 0, 0, 0.2);
}

/* Configurações globais */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-regular);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Tipografia */
.text-hero {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.text-large {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: var(--font-weight-semibold);
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.text-medium {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    font-weight: var(--font-weight-medium);
    line-height: 1.3;
}

.text-body {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.text-small {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

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

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

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

/* Header/Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: all 0.3s ease;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-blue);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: color 0.3s ease;
}

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

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius-xl);
    font-family: inherit;
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 48px;
}

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

.btn-primary:hover {
    background: var(--dark-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

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

.btn-secondary:hover {
    background: var(--primary-blue);
    color: white;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
    min-height: 56px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--background-white) 0%, var(--light-blue) 100%);
    padding: calc(var(--spacing-xxxl) + 80px) 0 var(--spacing-xxxl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23E3F2FD" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

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

.hero-title {
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-xl);
}

/* Cards */
.card {
    background: var(--background-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    border: 1px solid var(--border-light);
}

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

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
    color: white;
}

.card-title {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.card-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Grid layouts */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

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

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Seções específicas */
.services {
    background: var(--background-light);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.section-title {
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    max-width: 600px;
    margin: 0 auto;
}

/* About section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.about-text {
    space-y: var(--spacing-md);
}

.about-image {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: var(--border-radius-xl);
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

/* Contact section */
.contact {
    background: var(--text-primary);
    color: white;
}

.contact .section-title,
.contact .section-subtitle {
    color: white;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

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

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
    color: rgba(255, 255, 255, 0.8);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-md);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--secondary-blue);
    background: rgba(255, 255, 255, 0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

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

/* Footer */
.footer {
    background: var(--background-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-logo {
    color: var(--secondary-blue);
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.footer-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--secondary-blue);
}

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

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsividade */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .section {
        padding: var(--spacing-xxl) 0;
    }
    
    .card {
        padding: var(--spacing-md);
    }
}

/* Hero highlight badge */
.hero-highlight {
    margin-top: var(--spacing-xl);
    display: flex;
    justify-content: center;
}

.highlight-badge {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: white;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-medium);
    animation: pulse 2s infinite;
}

.highlight-number {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    line-height: 1;
}

.highlight-text {
    font-size: 1rem;
    line-height: 1.2;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Plan features */
.plan-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.feature-tag {
    background: var(--light-blue);
    color: var(--primary-blue);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
}

/* Network stats */
.network-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xxl);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-medium);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-8px);
}

.stat-number {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-bold);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* Partners grid */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.partner-card {
    background: var(--background-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: all 0.3s ease;
}

.partner-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-light);
}

.partner-card h4 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
}

.partner-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Clients grid */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.client-logo {
    background: var(--background-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    text-align: center;
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    font-size: 0.875rem;
}

.client-logo:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
    color: var(--primary-blue);
}

/* Responsividade adicional */
@media (max-width: 768px) {
    .highlight-badge {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .highlight-number {
        font-size: 1.5rem;
    }
    
    .network-stats {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        grid-template-columns: 1fr;
    }
    
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .clients-grid {
        grid-template-columns: 1fr;
    }
    
    .plan-features {
        justify-content: center;
    }
}

/* Utilitários */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.hidden { display: none; }
.visible { display: block; }

/* Estados de hover e focus melhorados */
.interactive:hover {
    transform: translateY(-2px);
    transition: transform 0.2s ease;
}

.focus-visible:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}