/* ==========================================================================
   CD Cardio - Folha de Estilos Premium v1.1
   ========================================================================== */

/* Importação de Tipografia Moderna */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Cores Principais */
    --color-primary: #36b7b9;
    --color-dark: #1e293b;
    --color-light: #f8fafc;
    --color-white: #ffffff;
    --color-muted: #64748b;
    
    /* Nova Sequência Ajustada do Degradê: Primária (#36b7b9) -> Amarela (#fdd877) -> Roxa (#a84895) */
    --gradient-details: linear-gradient(135deg, #36b7b9 0%, #fdd877 50%, #a84895 100%);
    
    /* Configurações Globais */
    --font-main: 'Inter', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius-lg: 16px;
    --border-radius-sm: 8px;
    --box-shadow-premium: 0 10px 30px -10px rgba(30, 41, 59, 0.08);
}

/* Reset e Estilos Globais */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-family: var(--font-main);
    color: var(--color-dark);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
}

body {
    overflow-x: hidden;
    line-height: 1.6;
}

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

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

/* Container de Alinhamento */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ==========================================================================
   Componentes Elegantes e Detalhes de Marca
   ========================================================================== */

/* Botão Principal com Identidade */
.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 12px 28px;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(54, 183, 185, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(54, 183, 185, 0.35);
}

/* Títulos com Detalhe em Novo Degradê na Borda Inferior */
.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 48px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--gradient-details); /* Detalhe em degradê atualizado */
    border-radius: 2px;
}

/* Seções Padrão */
.section-padding {
    padding: 100px 0;
}

/* ==========================================================================
   Estrutura do Menu (Header)
   ========================================================================== */
.main-header {
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(54, 183, 185, 0.1);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.02);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.main-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 32px;
}

.menu-link {
    font-weight: 500;
    color: var(--color-muted);
    font-size: 0.95rem;
}

.menu-link:hover, .menu-link.active {
    color: var(--color-primary);
}

/* ==========================================================================
   Mosaico de Exames Avançado
   ========================================================================== */
.exams-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

/* Card com Borda de Detalhe Sutil em Novo Degradê no Hover */
.exam-card {
    background: var(--color-white);
    padding: 40px 32px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-premium);
    position: relative;
    border: 1px solid #f1f5f9;
}

/* Detalhe discreto em degradê que "acende" na nova ordem de cores */
.exam-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--border-radius-lg);
    padding: 1.5px; 
    background: var(--gradient-details);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: var(--transition-smooth);
}

.exam-card:hover::before {
    opacity: 1;
}

.exam-card:hover {
    transform: translateY(-5px);
}

.exam-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    background: rgba(54, 183, 185, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--color-primary);
    font-weight: bold;
}

.exam-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.exam-card p {
    color: var(--color-muted);
    font-size: 0.925rem;
}

/* ==========================================================================
   Contato e Mapa
   ========================================================================== */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.map-container {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--box-shadow-premium);
    border: 1px solid #e2e8f0;
    height: 400px;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ==========================================================================
   Botão Flutuante do WhatsApp Atualizado (Com SVG)
   ========================================================================== */
.whatsapp-float {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
    z-index: 9999;
    transition: var(--transition-smooth);
}

/* Estilização do ícone SVG interno */
.whatsapp-svg {
    width: 32px;
    height: 32px;
    fill: var(--color-white); /* Deixa o ícone branco */
}

.whatsapp-float:hover {
    transform: scale(1.08) translateY(-3px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

/* ==========================================================================
   Responsividade
   ========================================================================== */
@media (max-width: 992px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    .main-menu {
        display: none; 
    }
}