:root {
    /* Base and Layers */
    --surface: #f8f9fa;
    --surface-container-low: #f3f4f5;
    --surface-container-lowest: #ffffff;
    --surface-bright: #f0f4f8; /* Soft hover highlight */
    --surface-dim: #eef1f4; /* Technical focus tray */
    
    /* Branding and Typography Colors */
    --primary: #000000;
    --primary-container: #0f1c2c;
    --on-primary: #ffffff;
    --on-surface: #191c1d;
    
    /* System Accents */
    --tertiary: #00daf3; /* Base color for glows */
    --tertiary-fixed-dim: #00daf3; 
    --on-tertiary-container: #0091a2;
    
    /* Utility */
    --error: #ba1a1a;
    --outline: rgba(25, 28, 29, 0.2);
    --outline-variant: rgba(25, 28, 29, 0.15);
    
    /* Shadows - ambient diffusions instead of sharp boxes */
    --shadow-ambient: 0 20px 40px rgba(15, 28, 44, 0.06);
    
    /* Fonts */
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    background-color: var(--surface);
    color: var(--on-surface);
    font-family: var(--font-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.body-text {
    font-size: 1rem;
    color: var(--on-surface);
}

/* Glass & Gradient Header */
.glass-header {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 4rem;
    background: rgba(248, 249, 250, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
}

.logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    color: var(--primary-container);
}

.status-beacon-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.status-beacon-container .label-innovation {
    margin-bottom: 0;
}

/* Status Beacons */
.status-beacon {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-beacon.active {
    background-color: var(--tertiary-fixed-dim);
    box-shadow: 0 0 8px var(--tertiary-fixed-dim);
    animation: pulse 2s infinite;
}

.status-beacon.alert {
    background-color: var(--on-tertiary-container); 
    box-shadow: 0 0 8px var(--on-tertiary-container);
}

@keyframes pulse {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
    100% { opacity: 1; transform: scale(1); }
}

/* Typography Rules */
.display-lg {
    font-family: var(--font-display);
    font-size: 4.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.05;
    margin-bottom: 2rem;
    color: var(--primary-container);
}

.display-md {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 3rem;
    color: var(--primary-container);
}

.label-innovation {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--tertiary-fixed-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    display: inline-block;
}

/* Layout & White Space (Extreme Padding as per spec) */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 8rem 2rem;
}

.hero {
    padding: 14rem 4rem 10rem 4rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* Intentional Asymmetry */
.asymmetric-layout .hero-content {
    max-width: 800px;
    margin-right: auto;
}

.asymmetric-layout-reverse .investment-card {
    max-width: 900px;
    margin-left: auto;
}

.proposal-meta {
    margin-top: 4rem;
    display: flex;
    gap: 4rem;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.meta-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    color: rgba(25, 28, 29, 0.5);
}

.meta-value {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--primary-container);
    font-size: 1.125rem;
}

/* Tonal Transitions: Section Layer */
.solution-layer {
    background-color: var(--surface-container-low);
    padding: 4rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

/* Cards */
.card {
    background-color: var(--surface-container-lowest);
    border-radius: 0.5rem;
    padding: 3rem;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-ambient);
}

.card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--primary-container);
}

.investment-layer {
    background-color: var(--surface);
    padding: 8rem 0;
}

/* Interactive Card */
.investment-card {
    background-color: var(--surface-container-lowest);
    border-radius: 0.5rem;
    padding: 5rem;
    box-shadow: var(--shadow-ambient);
}

.price-lock {
    display: flex;
    align-items: baseline;
    margin-bottom: 2.5rem;
}

.currency {
    font-size: 2rem;
    font-weight: 500;
    color: var(--primary-container);
    margin-right: 0.5rem;
}

.amount {
    font-family: var(--font-display);
    font-size: 6rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: .9;
    color: var(--primary-container);
}

.cents {
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary-container);
}

.period {
    font-size: 1.125rem;
    color: rgba(25, 28, 29, 0.6);
    margin-left: 1rem;
    font-weight: 500;
}

/* Technical Overlay Tray */
.data-tray {
    background-color: var(--surface-dim);
    padding: 1.5rem 2rem;
    border-radius: 0.375rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    margin-bottom: 4rem;
    color: var(--on-surface);
}

/* Contract Lists without Rules */
.contract-terms {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.5rem; 
    margin-bottom: 4rem;
}

.term-item {
    padding: 2.5rem 2rem;
    border-radius: 0.5rem;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid transparent; /* Keeps layout stable on hover */
}

.term-item:hover {
    background-color: var(--surface-bright); 
    box-shadow: var(--shadow-ambient);
}

.term-item h4 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--primary-container);
    font-weight: 600;
}

/* The Interaction Engine */
.cta-container {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    color: var(--on-primary);
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 1rem;
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--on-tertiary-container);
    box-shadow: 0 0 16px 2px var(--tertiary);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-container);
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 1rem;
    padding: 1rem 2.5rem;
    border: 1px solid var(--outline-variant); 
    border-radius: 0.375rem;
    cursor: pointer;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.btn-secondary:hover {
    background-color: rgba(15, 28, 44, 0.05);
    border-color: var(--outline);
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .display-lg { font-size: 3.5rem; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .hero { padding: 10rem 2rem 6rem 2rem; }
    .investment-card { padding: 3rem; }
}

@media (max-width: 768px) {
    .display-lg { font-size: 2.5rem; }
    .display-md { font-size: 2rem; }
    .features-grid { grid-template-columns: 1fr; }
    .glass-header { padding: 1rem 2rem; }
    .amount { font-size: 4rem; }
    .proposal-meta { flex-direction: column; gap: 2.5rem; }
    .cta-container { flex-direction: column; align-items: stretch; }
    .btn-primary, .btn-secondary { text-align: center; }
}

/* Print Optimization Layout */
@media print {
    body {
        background-color: #ffffff !important;
        color: #000000 !important;
    }
    
    .glass-header {
        position: relative !important;
        background: transparent !important;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        padding: 0 0 2rem 0 !important;
    }
    
    .status-beacon-container {
        display: none !important; /* Esconde botões interativos na impressão */
    }
    
    .container {
        padding: 2rem 0 !important;
        max-width: 100% !important;
    }
    
    .hero {
        padding: 0 0 2rem 0 !important;
        max-width: 100% !important;
    }
    
    .solution-layer, .investment-layer {
        background-color: #ffffff !important;
        padding: 1rem 0 !important;
    }
    
    .card, .investment-card {
        box-shadow: none !important;
        background-color: #ffffff !important;
        padding: 0 !important;
        page-break-inside: avoid;
    }
    
    .card {
        border-bottom: 1px solid #eeeeee;
        padding-bottom: 1.5rem !important;
        margin-bottom: 1.5rem !important;
    }

    .data-tray {
        background-color: #ffffff !important;
        border: 1px dashed #999999;
        color: #000000 !important;
        page-break-inside: avoid;
    }
    
    .cta-container {
        display: none !important; /* Esconde botões de aceite e imprimir */
    }
    
    .term-item {
        padding: 1rem 0 !important;
        page-break-inside: avoid; /* Previne corte dos textos dividindo nas páginas */
    }

    .display-lg, .display-md, h3, h4, p, span, div {
        color: #000000 !important;
    }

    @page {
        margin: 1.5cm;
    }
}