/* ===================================
   CDF-DP — Stylesheet Principal
   Design: Dark Navy + Golden accent
   Typography: Inter + Montserrat
   =================================== */

/* --- CSS Variables --- */
:root {
    --color-primary: #0A0E1A;
    --color-secondary: #C9A84C;
    --color-text: #F5F5F5;
    --color-text-muted: #B0B0B0;
    --color-accent: #C0392B;
    --color-dark: #05070F;
    --color-dark-secondary: #0F1421;
    --color-border: #1A1F2E;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Montserrat', sans-serif;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-gold: 0 4px 16px rgba(201, 168, 76, 0.15);
}

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

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-primary);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

/* --- Container --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition-smooth);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--font-display);
}

.logo-icon {
    font-size: 2rem;
}

.logo-text {
    color: var(--color-secondary);
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: var(--color-text);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-secondary);
    transition: width 0.3s ease;
}

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

.nav-link.nav-cta {
    background: var(--color-secondary);
    color: var(--color-dark);
    padding: 0.6rem 1.5rem;
    border-radius: 4px;
    font-weight: 700;
}

.nav-link.nav-cta:hover {
    background: #D4B560;
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

.nav-link.nav-cta::after {
    display: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-secondary);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-primary) 50%, var(--color-dark-secondary) 100%);
    padding-top: 80px;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(201, 168, 76, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(192, 57, 43, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: -1px;
}

.highlight {
    color: var(--color-secondary);
    position: relative;
    display: inline-block;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--color-text-muted);
    margin-bottom: 3rem;
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    justify-content: center;
    margin: 3rem 0;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-secondary);
    line-height: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    text-align: center;
}

.btn-primary {
    background: var(--color-secondary);
    color: var(--color-dark);
}

.btn-primary:hover {
    background: #D4B560;
    transform: translateY(-3px);
    box-shadow: var(--shadow-gold);
}

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

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

.btn-large {
    padding: 1.2rem 3rem;
    font-size: 1.1rem;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-indicator {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-secondary), transparent);
    margin: 1rem auto 0;
    animation: scrollPulse 2s infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(10px); }
}

/* --- Fade In Animations --- */
.fade-in {
    animation: fadeIn 1s ease-out;
}

.fade-in-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Manifesto Section --- */
.manifesto {
    padding: 8rem 0;
    background: var(--color-dark);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.manifesto-content {
    max-width: 800px;
    margin: 0 auto;
}

.manifesto-quote {
    font-size: clamp(1.3rem, 3vw, 2rem);
    font-weight: 600;
    line-height: 1.6;
    color: var(--color-text);
    border-left: 4px solid var(--color-secondary);
    padding-left: 2rem;
    margin-bottom: 3rem;
    font-style: italic;
}

.manifesto-problem {
    background: var(--color-dark-secondary);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    margin-bottom: 3rem;
}

.manifesto-problem h3 {
    color: var(--color-accent);
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.manifesto-problem p {
    font-size: 1.1rem;
    line-height: 1.8;
}

.manifesto-roosevelt {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(201, 168, 76, 0.05), transparent);
    border-radius: 8px;
}

.roosevelt-text {
    font-size: 1.2rem;
    font-style: italic;
    color: var(--color-secondary);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.manifesto-roosevelt cite {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* --- Section Styling --- */
section {
    padding: 6rem 0;
}

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

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: 1rem;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* --- Sobre Section --- */
.sobre {
    background: var(--color-primary);
}

.sobre-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.sobre-card {
    background: var(--color-dark-secondary);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: var(--transition-smooth);
}

.sobre-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-secondary);
    box-shadow: var(--shadow-gold);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.sobre-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-secondary);
}

.sobre-card p {
    color: var(--color-text-muted);
    line-height: 1.8;
}

/* --- Como Funciona Section --- */
.como-funciona {
    background: var(--color-dark);
}

.steps-container {
    max-width: 900px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    margin-bottom: 3rem;
    padding: 2rem;
    background: var(--color-dark-secondary);
    border-radius: 12px;
    border-left: 4px solid var(--color-secondary);
    transition: var(--transition-smooth);
}

.step:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.step-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-secondary);
    line-height: 1;
    flex-shrink: 0;
    opacity: 0.3;
}

.step-content h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--color-secondary);
}

.step-content p {
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* --- Cases Section --- */
.cases {
    background: var(--color-primary);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.case-card {
    background: var(--color-dark-secondary);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-secondary);
}

.case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.case-code {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--color-secondary);
}

.case-status {
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-investigation {
    background: rgba(192, 57, 43, 0.2);
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
}

.status-progress {
    background: rgba(201, 168, 76, 0.2);
    color: var(--color-secondary);
    border: 1px solid var(--color-secondary);
}

.status-negotiation {
    background: rgba(52, 152, 219, 0.2);
    color: #3498DB;
    border: 1px solid #3498DB;
}

.case-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.case-description {
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.case-description strong {
    color: var(--color-secondary);
}

.case-details {
    margin: 1.5rem 0;
    padding: 1.5rem;
    background: var(--color-dark);
    border-radius: 8px;
}

.case-detail-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.case-detail-item:last-child {
    margin-bottom: 0;
}

.detail-icon {
    font-size: 1.2rem;
}

.case-impact {
    margin-top: 1.5rem;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(201, 168, 76, 0.08), transparent);
    border-left: 3px solid var(--color-secondary);
    border-radius: 4px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.case-impact strong {
    color: var(--color-secondary);
}

.cases-footer {
    text-align: center;
    max-width: 800px;
    margin: 3rem auto 0;
}

.cases-note {
    background: var(--color-dark-secondary);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-text-muted);
}

.cases-note strong {
    color: var(--color-secondary);
}

/* --- Modelo de Impacto Section --- */
.impacto {
    background: var(--color-dark);
}

.impacto-visual {
    margin-bottom: 4rem;
}

.impacto-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    padding: 3rem;
    background: var(--color-dark-secondary);
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

.flow-step {
    text-align: center;
    flex: 1;
    min-width: 150px;
}

.flow-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.flow-step h4 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--color-secondary);
    margin-bottom: 0.5rem;
}

.flow-step p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.flow-arrow {
    font-size: 2rem;
    color: var(--color-secondary);
    font-weight: bold;
}

.flow-split {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.split-box {
    background: var(--color-dark);
    padding: 1.5rem;
    border-radius: 8px;
    border: 2px solid var(--color-secondary);
    text-align: center;
    min-width: 150px;
}

.split-percent {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-secondary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.split-box h5 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.split-box p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.impacto-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.benefit-card {
    background: var(--color-dark-secondary);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    text-align: center;
    transition: var(--transition-smooth);
}

.benefit-card:hover {
    border-color: var(--color-secondary);
    transform: translateY(-5px);
}

.benefit-card h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.benefit-card p {
    color: var(--color-text-muted);
    line-height: 1.6;
}

.impacto-quote {
    text-align: center;
    margin-top: 3rem;
}

.impacto-quote blockquote {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-secondary);
    font-style: italic;
}

/* --- Envie Seu Case Section --- */
.envie {
    background: var(--color-primary);
}

.envie-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.case-form {
    background: var(--color-dark-secondary);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.9rem;
    background: var(--color-dark);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-text);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.checkbox-group label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.checkbox-group span {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.form-disclaimer {
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-top: 1rem;
    line-height: 1.6;
}

.envie-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-box {
    background: var(--color-dark-secondary);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--color-secondary);
}

.info-box h4 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

.info-box p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* --- Footer --- */
.footer {
    background: var(--color-dark);
    border-top: 1px solid var(--color-border);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 350px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--font-display);
}

.footer-tagline {
    font-size: 0.9rem;
    color: var(--color-secondary);
    margin-bottom: 0.5rem;
}

.footer-description {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-column h4 {
    color: var(--color-secondary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-column a {
    display: block;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.footer-column a:hover {
    color: var(--color-secondary);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.footer-motto {
    color: var(--color-secondary);
    font-style: italic;
    font-size: 0.95rem;
}

/* --- Responsive Design --- */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(10, 14, 26, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: flex-start;
        padding: 3rem 2rem;
        transition: left 0.3s ease;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .envie-content {
        grid-template-columns: 1fr;
    }
    
    .impacto-flow {
        flex-direction: column;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 1.5rem;
    }
    
    section {
        padding: 4rem 0;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .sobre-grid {
        grid-template-columns: 1fr;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    .step-number {
        font-size: 2.5rem;
    }
}