/* ===========================
   CITOL INDUSTRIAL CSS
   Consultoria em Compliance Industrial
   =========================== */

/* Variables */
:root {
    /* Colors - já definidas no header.php */
    --cor-primaria: #FFCC00;      /* Amarelo */
    --cor-secundaria: #005566;    /* Azul Petróleo */
    --cor-destaque: #009966;      /* Verde Claro */
    --cor-fundo: #FFFFFF;         /* Branco */
    --cor-texto: #333333;         /* Cinza escuro */
    --cor-texto-claro: #666666;   /* Cinza médio */
    
    /* Additional Colors */
    --cor-hover: #E6B800;
    --cor-secundaria-hover: #004455;
    --cor-destaque-hover: #007755;
    --cor-background-light: #F8F9FA;
    --cor-background-dark: #2C3E50;
    --cor-border: #E1E5E9;
    --cor-shadow: rgba(0, 0, 0, 0.1);
    --cor-overlay: rgba(0, 85, 102, 0.8);
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    --font-size-base: 16px;
    --font-size-small: 14px;
    --font-size-large: 18px;
    --font-size-h1: 3rem;
    --font-size-h2: 2.5rem;
    --font-size-h3: 2rem;
    --font-size-h4: 1.5rem;
    --font-size-h5: 1.25rem;
    --font-size-h6: 1rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Border Radius */
    --radius-small: 4px;
    --radius-medium: 8px;
    --radius-large: 12px;
    --radius-round: 50%;
    
    /* Shadows */
    --shadow-small: 0 2px 4px var(--cor-shadow);
    --shadow-medium: 0 4px 8px var(--cor-shadow);
    --shadow-large: 0 8px 16px var(--cor-shadow);
    --shadow-hover: 0 6px 12px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Container */
    --container-max-width: 1200px;
    --container-padding: 1rem;
}

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--cor-texto);
    background-color: var(--cor-fundo);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--cor-texto);
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }
h4 { font-size: var(--font-size-h4); }
h5 { font-size: var(--font-size-h5); }
h6 { font-size: var(--font-size-h6); }

p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

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

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

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-medium);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-medium);
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--cor-primaria) 0%, #E6B800 100%);
    color: var(--cor-texto);
    box-shadow: var(--shadow-small);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--cor-hover) 0%, #D4A300 100%);
    color: var(--cor-texto);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--cor-secundaria);
    color: white;
    border: 2px solid var(--cor-secundaria);
}

.btn-secondary:hover {
    background: var(--cor-secundaria-hover);
    border-color: var(--cor-secundaria-hover);
    color: white;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--cor-secundaria);
    border: 2px solid var(--cor-secundaria);
}

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

/* Highlight Text */
.highlight {
    color: var(--cor-destaque);
    font-weight: 600;
}

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

.section-subtitle {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--cor-primaria);
    color: var(--cor-texto);
    font-size: var(--font-size-small);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-large);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-md);
    color: var(--cor-secundaria);
}

.section-description {
    font-size: var(--font-size-large);
    color: var(--cor-texto-claro);
    max-width: 600px;
    margin: 0 auto;
}

/* Header & Navigation */
.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(--cor-border);
    z-index: 1000;
    transition: all var(--transition-medium);
}

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

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

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

.nav-brand .logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-h5);
    font-weight: 700;
    color: var(--cor-secundaria);
}

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

.nav-menu {
    display: flex;
}

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

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

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--cor-destaque);
    border-radius: 1px;
}

.btn-whatsapp-nav {
    background: #25D366;
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-medium);
    font-size: var(--font-size-small);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.btn-whatsapp-nav:hover {
    background: #128C7E;
    color: white;
    transform: scale(1.05);
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background: var(--cor-secundaria);
    margin: 3px 0;
    transition: all var(--transition-fast);
    border-radius: 2px;
}

.nav-toggle.active .bar:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

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

.nav-toggle.active .bar:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.whatsapp-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: white;
    border-radius: var(--radius-round);
    font-size: 24px;
    box-shadow: var(--shadow-large);
    transition: all var(--transition-medium);
    position: relative;
}

.whatsapp-btn:hover {
    background: #128C7E;
    color: white;
    transform: scale(1.1);
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
}

.whatsapp-btn .tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--cor-texto);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-medium);
    font-size: var(--font-size-small);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.whatsapp-btn:hover .tooltip {
    opacity: 1;
    visibility: visible;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: 50px;
    height: 50px;
    background: var(--cor-secundaria);
    color: white;
    border: none;
    border-radius: var(--radius-round);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    box-shadow: var(--shadow-medium);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
    z-index: 999;
}

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

.back-to-top:hover {
    background: var(--cor-secundaria-hover);
    transform: translateY(-3px);
}

/* Cookie Notice */
.cookie-notice {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--cor-background-dark);
    color: white;
    padding: var(--spacing-md);
    z-index: 1001;
    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: var(--spacing-lg);
}

.cookie-content p {
    margin: 0;
    font-size: var(--font-size-small);
}

.cookie-content a {
    color: var(--cor-primaria);
}

.btn-accept {
    background: var(--cor-primaria);
    color: var(--cor-texto);
    border: none;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-medium);
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition-fast);
    white-space: nowrap;
}

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

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

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

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

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

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

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Accessibility */
.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;
}

/* Focus States */
button:focus,
input:focus,
textarea:focus,
select:focus,
a:focus {
    outline: 2px solid var(--cor-destaque);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .header,
    .whatsapp-float,
    .back-to-top,
    .cookie-notice {
        display: none !important;
    }
} 

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--cor-secundaria) 0%, var(--cor-destaque) 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/banner.webp') center/cover;
    opacity: 0.1;
    z-index: 1;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: white;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--cor-secundaria);
}

.section-subtitle {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--cor-primaria);
    color: var(--cor-texto);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 12px;
    margin-bottom: 1rem;
}

/* Cards */
.card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.15);
}

/* Grid System */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

/* Footer */
.footer {
    background: var(--cor-background-dark);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    color: var(--cor-primaria);
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

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

.footer-links a:hover {
    color: var(--cor-primaria);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    text-align: center;
}

/* Floating Elements */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    text-decoration: none;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    z-index: 1000;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

.back-to-top {
    position: fixed;
    bottom: 90px;
    right: 20px;
    background: var(--cor-secundaria);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    z-index: 1000;
    transition: all 0.3s ease;
    opacity: 0;
    pointer-events: none;
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
}

.back-to-top:hover {
    background: var(--cor-secundaria-hover);
    transform: translateY(-2px);
}

/* Cookie Notice */
.cookie-notice {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--cor-background-dark);
    color: white;
    padding: 1rem;
    z-index: 1001;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.1);
}

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    gap: 1rem;
}

.btn-accept {
    background: var(--cor-primaria);
    color: var(--cor-texto);
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary {
        width: 100%;
        max-width: 300px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .grid {
        gap: 1rem;
    }
    
    .container {
        padding: 0 15px;
    }
}