/* ============================================
   NeoClinic Health 3.7.0 - Landing Page
   Variáveis e Reset
   ============================================ */
:root {
    --primary: #06b6d4;      /* Cyan 500 */
    --secondary: #0f172a;    /* Slate 900 */
    --accent: #10b981;       /* Emerald 500 */
    --whatsapp: #25D366;
    --bg: #f8fafc;
    --border-radius: 1.5rem;
    --shadow-sm: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 20px 40px -10px rgba(0, 0, 0, 0.1);
}

/* ============================================
   Base & Tipografia
   ============================================ */
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: #1e293b;
}

h1, h2, h3, .font-heading {
    font-family: 'Lexend', sans-serif;
}

/* ============================================
   Componentes: Cards
   ============================================ */
.neo-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(226, 232, 240, 0.8);
    overflow: hidden;
    transition: all 0.3s ease;
}

.neo-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}

/* ============================================
   Componentes: Hero
   ============================================ */
.hero-gradient {
    background: linear-gradient(135deg, #0f172a 0%, #083344 50%, #0f172a 100%);
}

/* ============================================
   Componentes: Chart Container
   ============================================ */
.chart-container {
    position: relative;
    width: 100%;
    max-width: 700px;
    margin: 0 auto;
    height: 350px;
    max-height: 400px;
}

/* ============================================
   Componentes: WhatsApp FAB
   ============================================ */
.whatsapp-fab {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: white;
    color: #1e293b;
    padding: 0.75rem 1.25rem;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2);
    z-index: 50;
    transition: all 0.3s ease;
    text-decoration: none;
    font-weight: bold;
    border: 2px solid var(--whatsapp);
}

.whatsapp-fab:hover {
    transform: scale(1.05);
    background-color: var(--whatsapp);
    color: white;
}

/* ============================================
   Componentes: AI Pulse
   ============================================ */
.ai-pulse {
    box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.7);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(6, 182, 212, 0); }
    100% { box-shadow: 0 0 0 0 rgba(6, 182, 212, 0); }
}

/* ============================================
   Logo Nav - Efeito Flutuante
   ============================================ */
.logo-float {
    animation: float 3s ease-in-out infinite;
    filter: drop-shadow(0 4px 12px rgba(6, 182, 212, 0.3));
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

/* ============================================
   Formulários
   ============================================ */
input:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

/* ============================================
   Utilitários
   ============================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}