@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;900&family=Space+Grotesk:wght@500;700&display=swap');

:root {
    --primary-color: #1a1a1a;
    --accent-color: #6200ea;
    --accent-hover: #4a00b0;
    --success-color: #00c853;
    --success-hover: #00a844;
    --error-color: #d50000;
    --warning-color: #ffc107;
    --background-color: #f8f9fa;
    --surface-color: #ffffff;
    --text-color: #212529;
    --subtle-text-color: #6c757d;
    --border-color: #dee2e6;
    --privacy-color: #311b92;
    --privacy-light: #ede7f6;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --heading-family: 'Space Grotesk', 'Inter', sans-serif;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 20px rgba(0,0,0,0.08);
    --border-radius: 12px;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Header --- */
header {
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: saturate(180%) blur(5px);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative; /* Para o posicionamento do menu mobile */
}

.logo {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--primary-color);
    letter-spacing: -1px;
}

nav a {
    color: var(--subtle-text-color);
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 600;
    transition: color 0.2s ease-in-out;
}

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

.nav-toggle {
    display: none; /* Esconde o checkbox */
}

.nav-toggle-label {
    display: none; /* Esconde o label (ícone do menu) por padrão */
    cursor: pointer;
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1001;
}

.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
    display: block;
    background-color: var(--primary-color);
    height: 3px;
    width: 25px;
    border-radius: 2px;
    position: relative;
    transition: all 0.3s ease-in-out;
}

.nav-toggle-label span::before,
.nav-toggle-label span::after {
    content: '';
    position: absolute;
}

.nav-toggle-label span::before {
    top: -8px;
}

.nav-toggle-label span::after {
    top: 8px;
}

.nav-toggle:checked ~ .nav-links {
    display: flex;
}

.nav-toggle:checked ~ .nav-toggle-label span {
    background-color: transparent;
}

.nav-toggle:checked ~ .nav-toggle-label span::before {
    transform: rotate(45deg);
    top: 0;
}

.nav-toggle:checked ~ .nav-toggle-label span::after {
    transform: rotate(-45deg);
    top: 0;
}

.mobile-only {
    display: none;
}

.desktop-only {
    display: inline-block;
}

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

.cta-button {
    background-color: var(--accent-color);
    color: #fff;
    padding: 0.8rem 1.6rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-block;
    text-align: center;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(98, 0, 234, 0.15);
}

.cta-button::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(98, 0, 234, 0.25);
    background-color: var(--accent-hover);
}

.cta-button:hover::after {
    transform: translateX(0);
}

.cta-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* --- Hero Section --- */
.hero {
    text-align: center;
    padding: 120px 20px;
    background: linear-gradient(180deg, var(--surface-color) 0%, var(--background-color) 100%);
}

.brutal-title {
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    font-weight: 900;
    font-family: var(--heading-family);
    letter-spacing: -2px;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.brutal-title span {
    color: var(--accent-color);
    position: relative;
}

.brutal-title span::after {
    content: '';
    position: absolute;
    bottom: 0.1em;
    left: 0;
    width: 100%;
    height: 0.2em;
    background-color: var(--privacy-light);
    z-index: -1;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--subtle-text-color);
    max-width: 750px;
    margin: 0 auto 2.5rem auto;
}

.hero-cta {
    font-size: 1.2rem;
    padding: 1rem 2.5rem;
    background-color: var(--accent-color);
}
.hero-cta:hover {
    background-color: var(--accent-hover);
}

/* --- General Section Styling --- */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--subtle-text-color);
    text-align: center;
    margin-bottom: 4rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Card/Box Styling --- */
.card {
    background: var(--surface-color);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* --- Journey Section --- */
.journey-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.step {
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--accent-color);
    color: #fff;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 auto 1.5rem auto;
    border: 4px solid var(--background-color);
    box-shadow: var(--shadow-md);
}

.step h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

/* --- Generator & Balance Sections --- */
.generator-box {
    max-width: 550px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: var(--font-family);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(0, 123, 255, 0.15);
}

.id-box {
    position: relative;
}

.id-box input {
    font-weight: 500;
    background-color: #f1f3f5;
    color: var(--accent-color);
    font-family: 'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono', monospace;
    font-size: 1.1rem;
    padding: 1rem;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s ease;
}

.clickable-input:hover {
    background-color: #e9ecef;
    box-shadow: 0 0 0 2px var(--accent-color);
}

.clickable-input:active {
    background-color: #dee2e6;
}

#copyUserIdBtn {
    position: absolute;
    right: 6px;
    top: 6px;
    bottom: 6px;
    background: var(--accent-color);
    border: none;
    color: white;
    padding: 0 15px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 8px rgba(98, 0, 234, 0.3);
    min-width: 100px;
    height: calc(100% - 12px);
}

#copyUserIdBtn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 3px 6px rgba(98, 0, 234, 0.3);
}

#copyUserIdBtn:active {
    transform: translateY(1px);
    box-shadow: 0 1px 2px rgba(98, 0, 234, 0.2);
}

.brutal-warning {
    display: block;
    margin-top: 1rem;
    padding: 1.2rem;
    font-weight: 600;
    color: #856404;
    background-color: #fff3cd;
    border-left: 4px solid #ffc107;
    border-radius: var(--border-radius);
    text-align: left;
    position: relative;
    box-shadow: var(--shadow-sm);
}

.privacy-warning {
    display: block;
    margin-top: 1rem;
    padding: 1.2rem 1.2rem 1.2rem 3rem;
    font-weight: 600;
    color: var(--privacy-color);
    background-color: var(--privacy-light);
    border-left: 4px solid var(--privacy-color);
    border-radius: var(--border-radius);
    text-align: left;
    position: relative;
    box-shadow: var(--shadow-sm);
}

.privacy-warning::before {
    content: '🔒';
    position: absolute;
    left: 1rem;
    top: 1.2rem;
    font-size: 1.2rem;
}

.fee-summary {
    background-color: var(--privacy-light);
    color: var(--privacy-color);
    padding: 1rem 1.2rem;
    border-radius: var(--border-radius);
    margin-top: 0.5rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
    text-align: left;
    border-left: 4px solid var(--privacy-color);
    box-shadow: var(--shadow-sm);
}

.fee-summary strong {
    font-weight: 700;
    color: var(--accent-color);
}

/* --- Payment Info Box --- */
.payment-info-box {
    max-width: 550px;
    margin: 2rem auto 0 auto;
    overflow: hidden;
}

.payment-info-box h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    text-align: center;
}

#qrCodeImg {
    max-width: 250px;
    width: 100%;
    height: auto;
    margin: 1.5rem auto;
    display: block;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    padding: 0.5rem;
    background-color: white;
    border: 1px solid var(--border-color);
}

#pixCopiaECola {
    width: 100%;
    padding: 1rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    background-color: #f1f3f5;
    resize: none;
    margin-bottom: 1rem;
    font-family: 'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono', monospace;
    font-size: 0.9rem;
    text-align: center;
    word-break: break-all;
}

.payment-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.copy-pix-btn {
    background-color: var(--accent-color);
    box-shadow: 0 4px 8px rgba(98, 0, 234, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}
.copy-pix-btn:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 12px rgba(98, 0, 234, 0.4);
}

.share-btn {
    background-color: var(--success-color);
}
.share-btn:hover {
    background-color: var(--success-hover);
}

.status-check {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.verify-btn {
    background-color: var(--warning-color);
    color: var(--primary-color);
}
.verify-btn:hover {
    background-color: #e0a800;
}

/* --- Rules and Fees & Why Trust Us Section --- */
#rules-and-fees, #why-trust-us {
    background-color: var(--background-color);
}

.rules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.rule-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.rule-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background-color: var(--privacy-light);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: grid;
    place-items: center;
}

.rule-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
}

.rule-card ul {
    list-style-type: none;
    padding-left: 0;
    margin-top: 1rem;
    width: 100%;
}

.rule-card li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.rule-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: 700;
}

/* --- FAQ Section --- */
.faq-container {
    max-width: 800px;
    margin: 4rem auto 0 auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    background-color: var(--surface-color);
    box-shadow: var(--shadow-md);
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 1.5rem 2rem;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s ease;
}

.faq-question:hover {
    background-color: #f8f9fa;
}

.faq-question::after {
    content: '+';
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--accent-color);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.4s ease-out;
    padding: 0 2rem;
}

.faq-answer p {
    margin: 0;
    padding-bottom: 1.5rem;
    color: var(--subtle-text-color);
}

.highlight {
    color: var(--accent-color);
    font-weight: 600;
}

/* --- Footer --- */
footer {
    background-color: var(--primary-color);
    color: #fff;
    padding: 40px 0;
    text-align: center;
    margin-top: 80px;
}

footer p {
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
}

.cors-warning {
    font-size: 0.9rem;
    font-style: italic;
}

.cors-warning .highlight {
    color: var(--warning-color);
    font-weight: 700;
}

/* --- Utility & Helper Classes --- */
.hidden {
    display: none !important;
}

.clickable {
    cursor: pointer;
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: white;
        box-shadow: 0 8px 16px rgba(0,0,0,0.1);
        padding: 1rem 0;
        border-top: 1px solid var(--border-color);
    }

    .nav-links a {
        margin: 1rem 0;
        padding: 0.5rem 24px;
        text-align: center;
        width: 100%;
    }

    .nav-toggle-label {
        display: block;
    }

    .desktop-only {
        display: none;
    }

    .mobile-only {
        display: block;
        margin-top: 1rem;
        width: calc(100% - 48px);
    }

    .section-title {
        font-size: 2.2rem;
    }

    .subtitle {
        font-size: 1.1rem;
    }

    .brutal-title {
        font-size: clamp(2.2rem, 10vw, 3rem);
    }
}

/* Estilos para o histórico de transações */
.transactions-history {
    margin-top: 24px;
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
}

.transactions-history h3 {
    font-family: var(--heading-family);
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.transactions-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.transaction-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background-color: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

.transaction-item:hover {
    box-shadow: var(--shadow-md);
}

.transaction-info {
    display: flex;
    flex-direction: column;
}

.transaction-type {
    font-weight: 600;
    color: var(--text-color);
}

.transaction-date {
    font-size: 12px;
    color: var(--subtle-text-color);
}

.transaction-amount {
    font-weight: 700;
    font-size: 16px;
}

@media (max-width: 768px) {
    .transaction-item {
        padding: 10px;
    }
}