/* ===== Assistencialão - Shared Design System ===== */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a2e;
    --bg-card-hover: #1e1e35;
    --accent: #e63946;
    --accent-light: #ff6b6b;
    --accent-green: #2ec4b6;
    --accent-yellow: #f4a261;
    --accent-blue: #457b9d;
    --text-primary: #e8e8f0;
    --text-secondary: #a0a0b8;
    --text-muted: #6b6b85;
    --border: #2a2a40;
    --gradient-1: linear-gradient(135deg, #e63946 0%, #f4a261 100%);
    --gradient-2: linear-gradient(135deg, #457b9d 0%, #2ec4b6 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

/* ===== Navigation ===== */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 0 2rem;
}

nav .nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

nav .logo {
    font-weight: 700;
    font-size: 1.1rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

nav .logo:hover {
    opacity: 0.85;
}

nav .nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    align-items: center;
}

nav .nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: color 0.3s;
    letter-spacing: 0.02em;
}

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

nav .nav-links a.active {
    color: var(--accent-light);
    font-weight: 600;
}

nav .nav-links .nav-disabled {
    color: var(--text-muted);
    font-size: 0.8rem;
    opacity: 0.5;
    cursor: default;
    pointer-events: none;
}

nav .nav-divider {
    width: 1px;
    height: 20px;
    background: var(--border);
}

/* Mobile hamburger */
nav .nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ===== Sections ===== */
section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-label {
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 700px;
    line-height: 1.8;
}

/* ===== Hero ===== */
#hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 80px;
    position: relative;
}

#hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: -20%;
    width: 60%;
    height: 60%;
    background: radial-gradient(ellipse, rgba(230, 57, 70, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-highlight {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.hero-stat {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    transition: transform 0.3s, border-color 0.3s;
}

.hero-stat:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
}

.hero-stat .number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-stat .label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* ===== Cards ===== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    transition: transform 0.3s, border-color 0.3s;
}

.card:hover {
    transform: translateY(-3px);
    border-color: rgba(230, 57, 70, 0.4);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.card-icon.red { background: rgba(230, 57, 70, 0.15); }
.card-icon.green { background: rgba(46, 196, 182, 0.15); }
.card-icon.yellow { background: rgba(244, 162, 97, 0.15); }
.card-icon.blue { background: rgba(69, 123, 157, 0.15); }

.card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 0.5rem;
}

/* ===== Page Badge (for homepage topic cards) ===== */
.page-badge {
    display: inline-block;
    padding: 0.2rem 0.7rem;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.page-badge.red { background: rgba(230, 57, 70, 0.2); color: var(--accent-light); }
.page-badge.yellow { background: rgba(244, 162, 97, 0.2); color: var(--accent-yellow); }
.page-badge.blue { background: rgba(69, 123, 157, 0.2); color: var(--accent-blue); }
.page-badge.green { background: rgba(46, 196, 182, 0.2); color: var(--accent-green); }
.page-badge.muted { background: rgba(107, 107, 133, 0.2); color: var(--text-muted); }

/* ===== Timeline ===== */
.timeline {
    position: relative;
    margin-top: 3rem;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent), var(--accent-yellow), var(--accent));
}

.timeline-item {
    position: relative;
    margin-bottom: 2.5rem;
    padding-left: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    border: 3px solid var(--bg-primary);
    transform: translateX(-5px);
}

.timeline-year {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.timeline-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0.25rem 0;
}

.timeline-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.timeline-value {
    display: inline-block;
    background: rgba(230, 57, 70, 0.15);
    color: var(--accent-light);
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

/* ===== Chart container ===== */
.chart-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    margin-top: 2rem;
    position: relative;
}

.chart-container canvas {
    max-height: 400px;
}

.chart-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.chart-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

/* ===== Comparison table ===== */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 2rem;
    font-size: 0.9rem;
}

.comparison-table th {
    text-align: left;
    padding: 1rem;
    background: var(--bg-card);
    border-bottom: 2px solid var(--accent);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.comparison-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}

.comparison-table tr:hover td {
    background: var(--bg-card);
    color: var(--text-primary);
}

.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-high { background: rgba(230, 57, 70, 0.2); color: var(--accent-light); }
.badge-low { background: rgba(46, 196, 182, 0.2); color: var(--accent-green); }
.badge-mid { background: rgba(244, 162, 97, 0.2); color: var(--accent-yellow); }

/* ===== Math box ===== */
.math-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    border-radius: 0 12px 12px 0;
    padding: 2rem;
    margin: 2rem 0;
    font-family: 'Courier New', monospace;
}

.math-box .equation {
    font-size: 1.1rem;
    color: var(--accent-light);
    margin: 0.75rem 0;
}

.math-box .explanation {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-family: 'Segoe UI', sans-serif;
    margin-top: 0.25rem;
}

/* ===== Highlight box ===== */
.highlight-box {
    background: linear-gradient(135deg, rgba(230, 57, 70, 0.1), rgba(244, 162, 97, 0.05));
    border: 1px solid rgba(230, 57, 70, 0.3);
    border-radius: 16px;
    padding: 2rem;
    margin: 2rem 0;
}

.highlight-box.green {
    background: linear-gradient(135deg, rgba(46, 196, 182, 0.1), rgba(69, 123, 157, 0.05));
    border-color: rgba(46, 196, 182, 0.3);
}

/* ===== Methodology ===== */
.method-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.method-step {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    position: relative;
}

.method-step .step-num {
    position: absolute;
    top: -12px;
    left: 1rem;
    background: var(--accent);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
}

/* ===== Sources ===== */
.source-list {
    list-style: none;
    margin-top: 1.5rem;
}

.source-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.source-list li .source-tag {
    flex-shrink: 0;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    background: rgba(69, 123, 157, 0.2);
    color: var(--accent-blue);
    font-weight: 600;
}

.source-list li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.source-list li a:hover {
    color: var(--accent-light);
}

/* ===== Divider ===== */
.divider {
    border: none;
    height: 1px;
    background: var(--border);
    margin: 4rem 0;
}

/* ===== Footer ===== */
footer {
    text-align: center;
    padding: 3rem 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.85rem;
}

footer a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

footer a:hover {
    color: var(--accent-light);
}

/* ===== Scroll animation ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== Wage comparison ===== */
.wage-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

.wage-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
}

.wage-card.bf {
    border-color: rgba(230, 57, 70, 0.4);
}

.wage-card.work {
    border-color: rgba(46, 196, 182, 0.4);
}

.wage-card .wage-amount {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 1rem 0;
}

.wage-card.bf .wage-amount {
    color: var(--accent-light);
}

.wage-card.work .wage-amount {
    color: var(--accent-green);
}

.wage-card .wage-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.wage-card .wage-detail {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.wage-card .wage-items {
    text-align: left;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.wage-card .wage-items div {
    display: flex;
    justify-content: space-between;
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--border);
}

.wage-result {
    text-align: center;
    margin: 1rem 0 2rem;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.wage-result strong {
    color: var(--accent-light);
}

/* ===== Scroll CTA ===== */
.scroll-cta {
    margin-top: 3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(5px); }
}

/* ===== Topic card (homepage) ===== */
.topic-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
    display: block;
}

.topic-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

.topic-card.red:hover { border-color: rgba(230, 57, 70, 0.5); }
.topic-card.yellow:hover { border-color: rgba(244, 162, 97, 0.5); }
.topic-card.blue:hover { border-color: rgba(69, 123, 157, 0.5); }
.topic-card.disabled {
    opacity: 0.4;
    pointer-events: none;
}

.topic-card h3 {
    margin-top: 0.75rem;
}

.topic-card .topic-stat {
    font-size: 1.8rem;
    font-weight: 800;
    margin: 0.5rem 0;
}

.topic-card.red .topic-stat { color: var(--accent-light); }
.topic-card.yellow .topic-stat { color: var(--accent-yellow); }
.topic-card.blue .topic-stat { color: var(--accent-blue); }

.topic-card .topic-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color 0.3s;
}

.topic-card:hover .topic-arrow { color: var(--text-primary); }

/* ===== Responsive ===== */
@media (max-width: 768px) {
    section { padding: 4rem 1.25rem; }
    nav .nav-links { display: none; }
    nav .nav-toggle { display: block; }
    nav .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        padding: 1rem 2rem;
        border-bottom: 1px solid var(--border);
        gap: 0.75rem;
    }
    .hero-stats { grid-template-columns: 1fr 1fr; }
    .card-grid { grid-template-columns: 1fr; }
    .comparison-table { font-size: 0.8rem; }
    .comparison-table th, .comparison-table td { padding: 0.6rem 0.5rem; }
    .wage-comparison { grid-template-columns: 1fr; }
}