/* 
   REALIDADE FINANCEIRA - PREMIUM FINANCIAL DESIGN SYSTEM
   Design: Modern, High-Impact, Decision-Focused, Sophisticated
*/

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    /* --- Light Mode Palette --- */
    --bg: #F9FAFB;
    --surface: #FFFFFF;
    --surface-hover: #F3F4F6;
    --border: #E5E7EB;
    --text: #111827;
    --text-secondary: #4B5563;
    --text-muted: #9CA3AF;
    
    /* --- Financial Semantic Colors --- */
    --primary: #3B82F6; /* Action Blue */
    --primary-hover: #2563EB;
    --success: #10B981; /* Gains */
    --danger: #EF4444;  /* Losses */
    --warning: #F59E0B; /* Attention */
    
    /* --- Effects --- */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    --header-h: 90px;
    --container-w: 1200px;
}

/* --- Dark Mode Palette --- */
[data-theme="dark"] {
    --bg: #0B0F1A;
    --surface: #121826;
    --surface-hover: #1A2234;
    --border: #1F2937;
    --text: #F9FAFB;
    --text-secondary: #9CA3AF;
    --text-muted: #6B7280;
    
    --primary: #60A5FA;
    --primary-hover: #3B82F6;
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.4), 0 8px 10px -6px rgb(0 0 0 / 0.4);
}

/* --- Reset & Base --- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { 
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.container {
    max-width: var(--container-w);
    margin: 0 auto;
    padding: 0 40px;
}

/* --- Header Re-design --- */
.header {
    height: var(--header-h);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(var(--bg), 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.header-inner {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* New Logo Style */
.logo-group {
    display: flex;
    align-items: center;
    gap: 16px;
    text-decoration: none;
    color: var(--text);
    flex-shrink: 0;
    margin-right: 40px;
}

.logo-box {
    background: var(--primary);
    color: white;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 1.4rem;
    font-weight: 900;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.logo-name {
    font-size: 1.6rem;
    font-weight: 900;
    letter-spacing: -0.04em;
    font-family: 'Outfit', sans-serif;
    white-space: nowrap;
}

/* Compatibility for Old Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 16px;
    text-decoration: none;
    color: var(--text);
    font-size: 1.6rem;
    font-weight: 900;
    letter-spacing: -0.04em;
    font-family: 'Outfit', sans-serif;
    flex-shrink: 0;
}
.logo-icon, .logo span {
    background: var(--primary);
    color: white;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 1.4rem;
    font-weight: 900;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
    padding: 8px 0;
}

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

.nav-links a:hover {
    color: var(--text);
}

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

.nav-links a.active {
    color: var(--primary);
}

.theme-toggle {
    background: var(--surface);
    border: 1px solid var(--border);
    width: 52px;
    height: 52px;
    border-radius: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 1.2rem;
    color: var(--text);
    margin-left: 20px;
}

.theme-toggle:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* --- Hero Section --- */
.hero {
    padding: 200px 0 120px;
    text-align: center;
}

.hero-badge {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    padding: 8px 20px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 32px;
    display: inline-block;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.hero h1 {
    font-size: clamp(2.8rem, 6vw, 4.8rem);
    line-height: 1.05;
    margin-bottom: 28px;
    max-width: 950px;
    margin-left: auto;
    margin-right: auto;
    background: linear-gradient(135deg, var(--text) 60%, var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.35rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 48px;
    font-weight: 500;
}

/* --- Sections --- */
.section-header {
    margin-bottom: 56px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    padding-bottom: 28px;
}

.section-header h2 {
    font-size: 2.4rem;
    margin: 0;
}

.section-header p {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 1.1rem;
}

/* --- Grid Main --- */
.grid-main {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 80px;
}

.card-premium {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 48px;
    transition: var(--transition);
    text-decoration: none;
    color: var(--text);
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: var(--shadow-sm);
}

.card-premium:hover {
    transform: translateY(-12px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.card-premium .icon-box {
    width: 64px;
    height: 64px;
    background: var(--bg);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 32px;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.card-premium:hover .icon-box {
    background: var(--primary);
    border-color: var(--primary);
}

.card-premium h3 {
    font-size: 1.6rem;
    margin-bottom: 16px;
    line-height: 1.2;
}

.card-premium .description {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 16px;
    font-weight: 600;
}

.card-premium .micro-benefit {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    flex: 1;
    font-style: italic;
}

.cta-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--bg);
    color: var(--text);
    padding: 16px 24px;
    border-radius: 16px;
    font-weight: 800;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.card-premium:hover .cta-button {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* --- Secondary Grid --- */
.grid-secondary {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.card-secondary {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 28px;
    text-decoration: none;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.card-secondary:hover {
    background: var(--surface-hover);
    border-color: var(--primary);
    transform: scale(1.02);
}

.card-secondary .icon { font-size: 1.8rem; }
.card-secondary h4 { font-size: 1.1rem; margin: 0; font-weight: 700; }

/* --- Calculator Engine UI --- */
.calc-wrapper {
    padding-top: 160px;
    padding-bottom: 100px;
}

.calc-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: start;
}

.calc-card {
    background: var(--surface);
    padding: 48px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}

.field-group { margin-bottom: 28px; }
.field-group label {
    display: block;
    font-weight: 700;
    margin-bottom: 10px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.input-container {
    position: relative;
    display: flex;
    align-items: center;
}

.input-container input {
    width: 100%;
    padding: 16px 20px;
    border-radius: 16px;
    border: 2px solid var(--border);
    background: var(--bg);
    color: var(--text);
    font-size: 1.2rem;
    font-weight: 700;
    transition: var(--transition);
    font-family: 'Outfit', sans-serif;
}

.input-container input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.btn-submit {
    width: 100%;
    padding: 20px;
    border-radius: 16px;
    border: none;
    background: var(--primary);
    color: white;
    font-weight: 900;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 12px;
}

.btn-submit:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
}

/* --- Diagnostic Sidebar --- */
.result-sidebar {
    position: sticky;
    top: 140px;
}

.result-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 48px;
    border: 1px solid var(--border);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.result-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    font-weight: 900;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.result-main-value {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 28px;
    font-family: 'Outfit', sans-serif;
}

.result-status-badge {
    padding: 10px 24px;
    border-radius: 100px;
    display: inline-block;
    font-weight: 800;
    font-size: 0.9rem;
    text-transform: uppercase;
    margin-bottom: 40px;
}

.result-human-read {
    text-align: left;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.result-human-read h4 { margin-bottom: 16px; font-size: 1.25rem; }
.result-human-read p { color: var(--text-secondary); font-size: 1.05rem; font-weight: 500; }

/* --- Status Colors --- */
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-primary { color: var(--primary); }

.bg-success-soft { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.bg-danger-soft { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.bg-warning-soft { background: rgba(245, 158, 11, 0.15); color: var(--warning); }

/* --- Footer --- */
.footer {
    border-top: 1px solid var(--border);
    padding: 100px 0 60px;
    margin-top: 120px;
    background: var(--surface);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 80px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 24px;
    max-width: 320px;
    font-weight: 500;
}

.footer-links h5 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 32px;
    color: var(--text-muted);
}

.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 16px; }
.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

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

.footer-bottom {
    margin-top: 80px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .grid-main { grid-template-columns: repeat(2, 1fr); }
    .calc-grid { grid-template-columns: 1fr; gap: 40px; }
    .result-sidebar { position: static; }
}

@media (max-width: 768px) {
    .container { padding: 0 20px; }
    .header { height: 70px; }
    .header-inner { justify-content: space-between; }
    .nav { gap: 12px; }
    .nav-links { display: none; } 
    .logo-name { font-size: 1.1rem; }
    .logo-box { width: 34px; height: 34px; font-size: 1rem; border-radius: 10px; }
    .logo-group { gap: 10px; margin-right: 0; }
    .theme-toggle { width: 44px; height: 44px; margin-left: 0; font-size: 1rem; border-radius: 12px; }
    
    .grid-main { grid-template-columns: 1fr; }
    .hero { padding-top: 140px; }
    .hero h1 { font-size: 2.5rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 48px; }
}

/* --- Compatibility Layer for Older Pages --- */
.breadcrumb { margin-top: 120px; margin-bottom: 24px; }
.breadcrumb-list { list-style: none; display: flex; gap: 8px; font-size: 0.85rem; color: var(--text-muted); }
.breadcrumb-list a { color: inherit; text-decoration: none; }
.breadcrumb-list .current { color: var(--text); font-weight: 700; }

.section-title { font-size: 2.5rem; margin-bottom: 12px; }
.section-subtitle { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 48px; font-weight: 500; }

.calc-page { padding-bottom: 80px; }
.form-group { margin-bottom: 24px; }
.form-group label { display: block; font-weight: 700; margin-bottom: 8px; color: var(--text-secondary); font-size: 0.9rem; }
.form-group input { 
    width: 100%; 
    padding: 14px 18px; 
    border-radius: 12px; 
    border: 2px solid var(--border); 
    background: var(--surface); 
    color: var(--text); 
    font-weight: 600;
    transition: var(--transition);
}
.form-group input:focus { border-color: var(--primary); outline: none; }
.help-text { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; display: block; }

.btn { 
    padding: 14px 24px; 
    border-radius: 12px; 
    font-weight: 700; 
    cursor: pointer; 
    transition: var(--transition); 
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
}
.btn-ghost:hover { background: var(--surface-hover); }

.content-section { margin-top: 80px; }
.content-section h2 { margin-bottom: 24px; }
.content-section p { margin-bottom: 16px; color: var(--text-secondary); }

.related-section { margin-top: 80px; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.related-card { 
    background: var(--surface); 
    border: 1px solid var(--border); 
    padding: 20px; 
    border-radius: 12px; 
    display: flex; 
    gap: 16px; 
    text-decoration: none; 
    color: var(--text); 
    transition: var(--transition);
}
.related-card:hover { border-color: var(--primary); transform: translateY(-4px); }