/* ==========================================================================
   Fharos Contabilidade - CSS Principal
   ========================================================================== */

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

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

body {
    font-family: 'Inter', 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: var(--cor-fundo);
    overflow-x: hidden;
}

/* Variáveis CSS (definidas dinamicamente no PHP) */
:root {
    --cor-primaria: #2E7D32;
    --cor-secundaria: #1565C0;
    --cor-destaque: #FF5722;
    --cor-fundo: #FAFAFA;
    --cor-texto: #333333;
    --cor-texto-light: #666666;
    --cor-branco: #FFFFFF;
    --cor-cinza-claro: #F5F5F5;
    --cor-cinza-medio: #E0E0E0;
    --cor-cinza-escuro: #757575;
    --cor-success: #4CAF50;
    --cor-warning: #FF9800;
    --cor-error: #F44336;
    --tempo-preloader: 2000ms;
    --delay-animacao: 150ms;
    
    /* Sombras */
    --shadow-small: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-large: 0 8px 32px rgba(0, 0, 0, 0.2);
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Bordas */
    --border-radius: 8px;
    --border-radius-large: 12px;
    
    /* Espaçamentos */
    --container-max-width: 1200px;
    --container-padding: 20px;
    --section-padding: 80px 0;
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--cor-texto-light);
}

a {
    color: var(--cor-primaria);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--cor-destaque);
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-medium);
    font-size: 0.9rem;
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--cor-primaria);
    color: var(--cor-branco);
    border-color: var(--cor-primaria);
}

.btn-primary:hover {
    background: var(--cor-destaque);
    border-color: var(--cor-destaque);
    color: var(--cor-branco);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-outline {
    background: transparent;
    color: var(--cor-primaria);
    border-color: var(--cor-primaria);
}

.btn-outline:hover {
    background: var(--cor-primaria);
    color: var(--cor-branco);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.8rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.btn-light {
    background: var(--cor-branco);
    color: var(--cor-primaria);
    border-color: var(--cor-branco);
}

.btn-light:hover {
    background: var(--cor-cinza-claro);
    color: var(--cor-primaria);
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--cor-branco);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.preloader-content {
    text-align: center;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--cor-cinza-claro);
    border-top: 4px solid var(--cor-primaria);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.preloader p {
    color: var(--cor-primaria);
    font-weight: 500;
}

/* Cookie Notice */
.cookie-notice {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--cor-primaria);
    color: var(--cor-branco);
    padding: 20px;
    z-index: 1000;
    transform: translateY(100%);
    transition: transform var(--transition-medium);
}

.cookie-notice.show {
    transform: translateY(0);
}

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max-width);
    margin: 0 auto;
    gap: 20px;
}

.cookie-text {
    display: flex;
    align-items: center;
    gap: 15px;
    flex: 1;
}

.cookie-text i {
    font-size: 1.5rem;
    color: var(--cor-destaque);
}

.cookie-text a {
    color: var(--cor-branco);
    text-decoration: underline;
}

.cookie-actions {
    display: flex;
    gap: 10px;
}

.btn-accept, .btn-reject {
    padding: 8px 16px;
    border: 1px solid var(--cor-branco);
    border-radius: var(--border-radius);
    background: transparent;
    color: var(--cor-branco);
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition-fast);
}

.btn-accept:hover {
    background: var(--cor-branco);
    color: var(--cor-primaria);
}

.btn-reject:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Header Principal */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--cor-branco);
    box-shadow: var(--shadow-small);
    z-index: 1000;
    transition: var(--transition-medium);
}

.main-header.scrolled {
    box-shadow: var(--shadow-medium);
}

.navbar {
    padding: 15px 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-brand .logo {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.brand-text {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cor-primaria);
    line-height: 1;
}

.brand-text small {
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--cor-texto-light);
    display: block;
}

/* Menu de Navegação */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    width: 30px;
    height: 25px;
    justify-content: space-between;
}

.nav-toggle span {
    width: 100%;
    height: 3px;
    background: var(--cor-primaria);
    transition: var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

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

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: var(--cor-texto);
    position: relative;
    padding: 8px 0;
    transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--cor-primaria);
}

.nav-link:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--cor-primaria);
    transition: var(--transition-fast);
}

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

.nav-cta {
    background: var(--cor-primaria);
    color: var(--cor-branco) !important;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-cta:hover {
    background: var(--cor-destaque);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    color: var(--cor-primaria);
    margin-bottom: 15px;
    position: relative;
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--cor-primaria), var(--cor-destaque));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--cor-texto-light);
    max-width: 600px;
    margin: 0 auto;
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.whatsapp-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #25D366;
    color: var(--cor-branco);
    padding: 15px 20px;
    border-radius: 50px;
    box-shadow: var(--shadow-large);
    font-weight: 500;
    transition: var(--transition-medium);
    animation: whatsappPulse 2s infinite;
}

.whatsapp-btn:hover {
    background: #128C7E;
    color: var(--cor-branco);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
}

.whatsapp-btn i {
    font-size: 1.5rem;
}

.whatsapp-text {
    font-size: 0.9rem;
}

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

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: var(--cor-primaria);
    color: var(--cor-branco);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-medium);
    z-index: 999;
}

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

.back-to-top:hover {
    background: var(--cor-destaque);
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

/* Animações de Entrada */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.animate {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-left.animate {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-right.animate {
    opacity: 1;
    transform: translateX(0);
}

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.justify-center { justify-content: center; }
.align-center { align-items: center; }
.gap-1 { gap: 1rem; }
.gap-2 { gap: 2rem; }

/* Variações Anti-Fingerprinting */
.variacao-1 .section-title { letter-spacing: 0.5px; }
.variacao-2 .section-title { letter-spacing: 1px; }
.variacao-3 .section-title { letter-spacing: 1.5px; }
.variacao-4 .section-title { letter-spacing: 2px; }