/* =================================================================
   HEYLULI COMPLIANCE - STYLE.CSS PRINCIPAL
   Estilos Principais e Variáveis CSS Centralizadas
   ================================================================= */

/* =================== VARIÁVEIS CSS =================== */
:root {
    /* Cores Principais */
    --primary-color: #FFCC00;
    --secondary-color: #005566;
    --accent-color: #009966;
    --background-color: #FFFFFF;
    
    /* Cores Secundárias */
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --text-muted: #999999;
    --border-color: #e0e0e0;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --shadow-dark: rgba(0, 0, 0, 0.25);
    
    /* Gradientes */
    --primary-gradient: linear-gradient(135deg, var(--primary-color) 0%, #ffb800 100%);
    --secondary-gradient: linear-gradient(135deg, var(--secondary-color) 0%, #003d4a 100%);
    --accent-gradient: linear-gradient(135deg, var(--accent-color) 0%, #007a52 100%);
    
    /* Tipografia */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Tamanhos de Fonte */
    --fs-small: 0.875rem;
    --fs-base: 1rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.25rem;
    --fs-2xl: 1.5rem;
    --fs-3xl: 1.875rem;
    --fs-4xl: 2.25rem;
    --fs-5xl: 3rem;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Breakpoints */
    --bp-sm: 576px;
    --bp-md: 768px;
    --bp-lg: 992px;
    --bp-xl: 1200px;
    --bp-2xl: 1400px;
    
    /* Container */
    --container-max-width: 1200px;
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 50%;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* =================== RESET CSS =================== */
*, *::before, *::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background-color);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* =================== TIPOGRAFIA =================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--fs-5xl); }
h2 { font-size: var(--fs-4xl); }
h3 { font-size: var(--fs-3xl); }
h4 { font-size: var(--fs-2xl); }
h5 { font-size: var(--fs-xl); }
h6 { font-size: var(--fs-lg); }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-light);
}

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

a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* =================== LAYOUT BÁSICO =================== */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

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

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

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.align-center { align-items: center; }
.align-start { align-items: flex-start; }
.align-end { align-items: flex-end; }

.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.flex-column { flex-direction: column; }
.flex-row { flex-direction: row; }

.w-full { width: 100%; }
.h-full { height: 100%; }

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

/* =================== BOTÕES =================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 12px 24px;
    font-family: var(--font-secondary);
    font-weight: 500;
    font-size: var(--fs-base);
    line-height: 1.5;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow-medium);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--text-dark);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #ffb800 0%, var(--primary-color) 100%);
    color: var(--text-dark);
}

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

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

.btn-secondary {
    background: var(--secondary-gradient);
    color: white;
    border-color: var(--secondary-color);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #003d4a 0%, var(--secondary-color) 100%);
    color: white;
}

.btn-lg {
    padding: 16px 32px;
    font-size: var(--fs-lg);
}

.btn-sm {
    padding: 8px 16px;
    font-size: var(--fs-small);
}

/* =================== PRELOADER =================== */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--background-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

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

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-sm);
}

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

/* =================== HEADER E NAVEGAÇÃO =================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: var(--z-fixed);
    transition: var(--transition-normal);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px var(--shadow-light);
}

.navbar {
    padding: var(--spacing-sm) 0;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-secondary);
    font-weight: 700;
    font-size: var(--fs-xl);
    color: var(--secondary-color);
    text-decoration: none;
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
}

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

.nav-link {
    font-weight: 500;
    color: var(--text-dark);
    padding: var(--spacing-xs) 0;
    position: relative;
    transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    text-decoration: none;
}

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

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

.nav-contact {
    display: none;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-phone,
.btn-whatsapp {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-size: var(--fs-small);
    transition: var(--transition-fast);
}

.btn-phone {
    background: var(--secondary-color);
    color: white;
}

.btn-phone:hover {
    background: #003d4a;
    color: white;
    text-decoration: none;
}

.btn-whatsapp {
    background: #25D366;
    color: white;
}

.btn-whatsapp:hover {
    background: #128C7E;
    color: white;
    text-decoration: none;
}

/* =================== MENU MOBILE =================== */
.hamburger {
    display: flex;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: var(--transition-fast);
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.mobile-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--background-color);
    transform: translateX(-100%);
    transition: var(--transition-normal);
    z-index: var(--z-dropdown);
}

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

.mobile-menu-content {
    padding: var(--spacing-lg);
}

.mobile-nav-menu {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.mobile-nav-menu li {
    margin-bottom: var(--spacing-sm);
}

.mobile-nav-link {
    display: block;
    padding: var(--spacing-sm);
    font-size: var(--fs-lg);
    font-weight: 500;
    color: var(--text-dark);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.mobile-nav-link:hover {
    color: var(--primary-color);
    background: rgba(255, 204, 0, 0.1);
    text-decoration: none;
}

.mobile-contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mobile-btn-phone,
.mobile-btn-whatsapp {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: var(--transition-fast);
}

.mobile-btn-phone {
    background: var(--secondary-color);
    color: white;
}

.mobile-btn-whatsapp {
    background: #25D366;
    color: white;
}

/* =================== ELEMENTOS FLUTUANTES =================== */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: var(--z-fixed);
    transition: var(--transition-normal);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    background: #128C7E;
    color: white;
    text-decoration: none;
    transform: scale(1.1);
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.back-to-top {
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 45px;
    height: 45px;
    background: var(--secondary-color);
    border: none;
    border-radius: var(--radius-full);
    color: white;
    font-size: 18px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: var(--z-fixed);
}

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

.back-to-top:hover {
    background: #003d4a;
    transform: translateY(-2px);
}

/* =================== SEÇÕES COMUNS =================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-subtitle {
    display: inline-block;
    font-size: var(--fs-small);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary-color);
    background: rgba(255, 204, 0, 0.1);
    padding: 6px 16px;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: var(--fs-4xl);
    margin-bottom: var(--spacing-sm);
}

.section-title .highlight {
    color: var(--primary-color);
}

.section-description {
    font-size: var(--fs-lg);
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-fadeInLeft {
    animation: fadeInLeft 0.6s ease forwards;
}

.animate-fadeInRight {
    animation: fadeInRight 0.6s ease forwards;
}

/* =================== RESPONSIVIDADE DESKTOP =================== */
@media (min-width: 768px) {
    .nav-menu {
        display: flex;
    }
    
    .nav-contact {
        display: flex;
    }
    
    .hamburger {
        display: none;
    }
    
    .section-title {
        font-size: var(--fs-5xl);
    }
    
    h1 { font-size: 4rem; }
    h2 { font-size: var(--fs-5xl); }
}

@media (min-width: 1200px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}