/* Landing page & billing público */

.public-body {
    margin: 0;
    font-family: Inter, system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
}

.public-container {
    width: min(1120px, calc(100% - 2rem));
    margin: 0 auto;
}

/* Header */
.public-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.public-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 64px;
}

.public-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 800;
    color: var(--text);
    text-decoration: none;
}

.public-brand .brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--primary-light);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.public-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.public-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
}

.public-nav a:not(.btn):hover {
    color: var(--primary);
}

.public-menu-btn {
    display: none;
    border: 0;
    background: transparent;
    padding: 0.5rem;
    cursor: pointer;
    color: var(--text);
    border-radius: 8px;
    flex-shrink: 0;
}

.public-menu-btn:hover {
    background: var(--bg);
}

body.public-menu-open {
    overflow: hidden;
}

/* Hero */
.hero {
    padding: 4rem 0 3rem;
    background:
        radial-gradient(circle at 20% 20%, rgba(37, 99, 235, 0.12), transparent 40%),
        radial-gradient(circle at 80% 0%, rgba(14, 165, 233, 0.1), transparent 35%),
        var(--bg);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2.5rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.hero-copy h1 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 1.1;
    margin: 0 0 1rem;
    letter-spacing: -0.03em;
}

.hero-copy h1 em {
    font-style: normal;
    color: var(--primary);
}

.hero-lead {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.6;
    max-width: 560px;
    margin: 0 0 1.5rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.hero-points {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.92rem;
}

.hero-points li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-points i {
    color: var(--success);
    width: 16px;
    height: 16px;
}

.hero-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.hero-card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.hero-card-header .dot.green {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
}

.hero-card-body {
    padding: 1.25rem;
    display: grid;
    gap: 1rem;
}

.hero-stat span {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.hero-stat strong {
    font-size: 1.5rem;
}

.hero-mini-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.hero-mini-grid div {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.65rem 0.75rem;
    border-radius: 10px;
    background: var(--bg);
    border: 1px solid var(--border);
    font-size: 0.82rem;
    font-weight: 600;
}

/* Sections */
.section-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 2rem;
}

.section-head h2 {
    margin: 0 0 0.5rem;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.section-head p {
    margin: 0;
    color: var(--text-muted);
}

.features {
    padding: 4rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.feature-card {
    padding: 1.25rem;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--bg-elevated);
}

.feature-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: var(--primary-light);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
}

.feature-card h3 {
    margin: 0 0 0.5rem;
    font-size: 1rem;
}

.feature-card p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Pricing */
.pricing {
    padding: 4rem 0;
    background: linear-gradient(180deg, var(--bg) 0%, var(--primary-light) 100%);
}

.pricing-card {
    max-width: 480px;
    margin: 0 auto;
    padding: 2rem;
    border-radius: 18px;
    border: 1px solid rgba(37, 99, 235, 0.2);
    background: var(--bg-elevated);
    box-shadow: var(--shadow);
}

.pricing-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
}

.pricing-value {
    margin: 0.5rem 0 1.25rem;
}

.pricing-value strong {
    font-size: 2.5rem;
    color: var(--primary);
}

.pricing-value span {
    color: var(--text-muted);
}

.pricing-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
    display: grid;
    gap: 0.55rem;
}

.pricing-list li {
    display: flex;
    gap: 0.5rem;
    align-items: flex-start;
    font-size: 0.92rem;
}

.pricing-list i {
    color: var(--success);
    width: 16px;
    margin-top: 2px;
}

.pricing-note {
    margin: 1rem 0 0;
    text-align: center;
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* Steps */
.how-it-works {
    padding: 4rem 0;
}

.steps-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 1rem;
    max-width: 720px;
    margin-inline: auto;
}

.steps-list li {
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-elevated);
}

.steps-list li span {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
}

.steps-list strong {
    display: block;
    margin-bottom: 0.25rem;
}

.steps-list p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.92rem;
}

/* FAQ */
.faq {
    padding: 4rem 0;
}

.faq-grid {
    max-width: 760px;
    margin: 0 auto;
    display: grid;
    gap: 0.75rem;
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-elevated);
    padding: 0.75rem 1rem;
}

.faq-item summary {
    cursor: pointer;
    font-weight: 600;
}

.faq-item p {
    margin: 0.75rem 0 0;
    color: var(--text-muted);
    line-height: 1.55;
    font-size: 0.92rem;
}

/* CTA */
.cta-band {
    padding: 3rem 0 4rem;
}

.cta-band-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 2rem;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary) 0%, #1d4ed8 100%);
    color: #fff;
}

.cta-band-inner h2 {
    margin: 0 0 0.35rem;
    color: #fff;
}

.cta-band-inner p {
    margin: 0;
    opacity: 0.9;
}

.cta-band .btn-primary {
    background: #fff;
    color: var(--primary);
    flex-shrink: 0;
}

/* Footer */
.public-footer {
    border-top: 1px solid var(--border);
    padding: 2.5rem 0 1.5rem;
    background: var(--bg-elevated);
}

.public-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.public-footer-grid strong {
    display: block;
    margin-bottom: 0.5rem;
}

.public-footer-grid p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.public-footer-grid a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 0.35rem;
}

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

.public-footer-copy {
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.82rem;
}

/* Signup extras */
.signup-page .auth-switch {
    margin-top: 1rem;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.signup-page .auth-switch a {
    color: var(--primary);
    font-weight: 600;
}

/* Billing */
.billing-page {
    padding: 2rem 0 3rem;
    min-height: calc(100vh - 80px);
}

.billing-container {
    display: grid;
    gap: 1.25rem;
}

.billing-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.billing-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.billing-alert,
.billing-active-banner {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-radius: 12px;
}

.billing-alert {
    background: #fef3c7;
    border: 1px solid #fcd34d;
    color: #92400e;
}

.billing-active-banner {
    background: #dcfce7;
    border: 1px solid #86efac;
    color: #166534;
}

.billing-alert p,
.billing-active-banner p {
    margin: 0.15rem 0 0;
    font-size: 0.88rem;
}

.billing-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.billing-card {
    padding: 1.5rem;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--bg-elevated);
    box-shadow: var(--shadow-sm);
}

.billing-card h2 {
    margin: 0 0 0.75rem;
    font-size: 1.15rem;
}

.billing-status,
.billing-meta {
    margin: 0 0 0.35rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.billing-price {
    margin: 1.25rem 0;
    padding: 1rem;
    border-radius: 10px;
    background: var(--bg);
    border: 1px solid var(--border);
}

.billing-price span {
    display: block;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.billing-price strong {
    font-size: 2rem;
    color: var(--primary);
}

.billing-price small {
    color: var(--text-muted);
}

.billing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem;
    display: grid;
    gap: 0.45rem;
    font-size: 0.9rem;
}

.billing-features li {
    display: flex;
    gap: 0.45rem;
    align-items: center;
}

.billing-features i {
    color: var(--success);
    width: 16px;
}

.pix-qr-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
}

.pix-qr-wrap img {
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
}

.pix-copy-row {
    display: flex;
    gap: 0.5rem;
}

.pix-copy-row input {
    flex: 1;
    min-width: 0;
    font-size: 0.75rem;
}

.billing-hint {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin: 0.75rem 0 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.billing-txid {
    margin: 0.35rem 0 0;
    font-size: 0.75rem;
    color: var(--text-muted);
    word-break: break-all;
}

.billing-error {
    padding: 1rem;
    border-radius: 10px;
    background: #fee2e2;
    color: #991b1b;
    font-size: 0.9rem;
}

.billing-error p {
    margin: 0 0 0.35rem;
}

.billing-history h3 {
    margin: 0 0 0.75rem;
}

.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
}

.badge-success {
    background: #dcfce7;
    color: #166534;
}

.badge-muted {
    background: var(--bg);
    color: var(--text-muted);
}

@media (max-width: 900px) {
    .hero-grid,
    .features-grid,
    .billing-grid,
    .public-footer-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hero-visual {
        max-width: 420px;
        margin-inline: auto;
        width: 100%;
    }
}

@media (max-width: 640px) {
    .public-container {
        width: min(1120px, calc(100% - 1.25rem));
    }

    .public-header-inner {
        min-height: 56px;
    }

    .public-brand {
        min-width: 0;
        font-size: 0.95rem;
    }

    .public-brand .brand-icon {
        width: 32px;
        height: 32px;
        flex-shrink: 0;
    }

    .public-nav {
        display: none;
        position: absolute;
        top: calc(100% + 1px);
        left: -0.625rem;
        right: -0.625rem;
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
        padding: 0.75rem;
        background: var(--bg-elevated);
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
        z-index: 60;
    }

    .public-nav.open {
        display: flex;
    }

    .public-nav a {
        padding: 0.65rem 0.75rem;
        border-radius: 8px;
    }

    .public-nav a:not(.btn):hover {
        background: var(--bg);
    }

    .public-nav .btn {
        width: 100%;
        justify-content: center;
    }

    .public-menu-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .hero {
        padding: 2rem 0 2.5rem;
    }

    .hero-grid {
        gap: 1.75rem;
    }

    .hero-copy h1 {
        font-size: clamp(1.65rem, 7.5vw, 2.25rem);
        letter-spacing: -0.02em;
    }

    .hero-lead {
        font-size: 0.95rem;
        margin-bottom: 1.25rem;
    }

    .hero-badge {
        font-size: 0.78rem;
        margin-bottom: 0.75rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 0.65rem;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .hero-points {
        font-size: 0.88rem;
        gap: 0.4rem;
    }

    .hero-points li {
        align-items: flex-start;
    }

    .hero-stat strong {
        font-size: 1.25rem;
    }

    .hero-mini-grid {
        grid-template-columns: 1fr;
    }

    .features,
    .pricing,
    .how-it-works,
    .faq {
        padding: 2.5rem 0;
    }

    .section-head {
        margin-bottom: 1.5rem;
    }

    .section-head h2 {
        font-size: clamp(1.35rem, 5.5vw, 1.75rem);
    }

    .section-head p {
        font-size: 0.92rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .feature-card {
        padding: 1rem;
    }

    .pricing-card {
        padding: 1.5rem 1.15rem;
        border-radius: 14px;
    }

    .pricing-value strong {
        font-size: 2rem;
    }

    .steps-list li {
        grid-template-columns: 36px 1fr;
        gap: 0.75rem;
        padding: 0.875rem 1rem;
    }

    .steps-list li span {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }

    .faq-item {
        padding: 0.65rem 0.875rem;
    }

    .faq-item summary {
        font-size: 0.92rem;
        padding-right: 1.25rem;
    }

    .cta-band {
        padding: 2rem 0 2.5rem;
    }

    .cta-band-inner {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
        padding: 1.5rem 1.15rem;
        gap: 1rem;
    }

    .cta-band-inner h2 {
        font-size: clamp(1.25rem, 5vw, 1.5rem);
    }

    .cta-band-inner p {
        font-size: 0.92rem;
    }

    .cta-band .btn-primary {
        width: 100%;
        justify-content: center;
    }

    .public-footer {
        padding: 2rem 0 1.25rem;
    }

    .public-footer-grid {
        gap: 1.5rem;
        margin-bottom: 1rem;
    }

    .billing-page {
        padding: 1.25rem 0 2rem;
    }

    .billing-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .billing-card {
        padding: 1.15rem;
    }

    .billing-price strong {
        font-size: 1.65rem;
    }

    .pix-copy-row {
        flex-direction: column;
    }
}

@media (max-width: 380px) {
    .public-container {
        width: min(1120px, calc(100% - 1rem));
    }

    .hero-copy h1 {
        font-size: 1.55rem;
    }

    .hero-actions .btn-lg {
        padding: 0.8rem 1rem;
        font-size: 0.9rem;
    }

    .pricing-value strong {
        font-size: 1.75rem;
    }
}

@supports (padding: max(0px)) {
    .public-header {
        padding-left: max(0px, env(safe-area-inset-left));
        padding-right: max(0px, env(safe-area-inset-right));
    }

    .public-footer-copy {
        padding-bottom: max(1.25rem, env(safe-area-inset-bottom));
    }
}