/* Core CSS Styling for CarMargin Platform */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary: #2563EB;
    --primary-hover: #1D4ED8;
    --bg-dark: #07111F;
    --bg-navy: #0F172A;
    --lucro: #10B981;
    --alerta: #F59E0B;
    --risco: #EF4444;
    --bg-light: #F8FAFC;
    --border: #E2E8F0;
    --white: #FFFFFF;
    --text-primary: #0F172A;
    --text-secondary: #475569;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Containers */
.max-w-7xl {
    max-width: 80rem;
    margin-left: auto;
    margin-right: auto;
}

.max-w-4xl {
    max-width: 56rem;
    margin-left: auto;
    margin-right: auto;
}

.max-w-md {
    max-width: 28rem;
    margin-left: auto;
    margin-right: auto;
}

/* Header & Navbar */
.site-header {
    background-color: var(--white);
    border-bottom: 1px solid var(--border);
    height: 4.5rem;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 0 2rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand-icon {
    width: 2.25rem;
    height: 2.25rem;
    background: linear-gradient(135deg, var(--primary), #3B82F6);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 800;
    font-size: 1.25rem;
}

.brand-name {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.03em;
    color: var(--bg-navy);
}

.nav-links {
    display: none;
    gap: 2.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

.nav-link {
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--primary);
}

.auth-buttons {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 2.75rem;
    padding: 0 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #3B82F6);
    color: var(--white);
    box-shadow: 0 4px 14px -2px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover), var(--primary));
    transform: translateY(-1px);
    box-shadow: 0 8px 20px -4px rgba(37, 99, 235, 0.45);
}

.btn-secondary {
    background-color: var(--white);
    border: 1px solid var(--border);
    color: var(--text-secondary);
}

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

.btn-danger {
    background-color: var(--white);
    border: 1px solid var(--border);
    color: var(--text-secondary);
}

.btn-danger:hover {
    background-color: #FEF2F2;
    color: var(--risco);
    border-color: #FEE2E2;
}

/* Hero Section */
.hero-section {
    background:
        radial-gradient(48rem 30rem at 85% 10%, rgba(37, 99, 235, 0.10), transparent 60%),
        radial-gradient(36rem 24rem at 5% 90%, rgba(16, 185, 129, 0.08), transparent 60%),
        linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
    color: var(--text-primary);
    padding: 6rem 2rem;
    position: relative;
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1.15fr 0.85fr;
    }
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hero-tag {
    align-self: flex-start;
    padding: 0.35rem 0.85rem;
    background-color: #EFF6FF;
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
    border: 1px solid #DBEAFE;
}

.hero-title {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--bg-navy);
}

@media (min-width: 640px) {
    .hero-title {
        font-size: 3.75rem;
    }
}

.hero-title span {
    color: var(--primary);
}

.hero-desc {
    color: var(--text-secondary);
    font-size: 1.125rem;
    font-weight: 400;
    max-width: 38rem;
    line-height: 1.6;
}

.hero-ctas {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding-top: 1rem;
}

@media (min-width: 640px) {
    .hero-ctas {
        flex-direction: row;
    }
}

.hero-ctas .btn {
    height: 3.25rem;
    padding: 0 1.75rem;
    font-size: 1rem;
}

/* Interactive Tabs Demo */
.tab-container {
    background-color: var(--white);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1.75rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 10;
}

.tab-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.tab-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tab-buttons {
    display: flex;
    gap: 0.5rem;
}

.tab-btn {
    background-color: #F1F5F9;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 0.35rem 0.85rem;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.2s;
}

.tab-btn.active {
    background-color: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.tab-content {
    background-color: var(--white);
    border-radius: 0.75rem;
    border: 1px solid var(--border);
    overflow: hidden;
}

.tab-img {
    height: 12rem;
    position: relative;
}

.tab-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tab-badge {
    position: absolute;
    bottom: 0.75rem;
    right: 0.75rem;
    padding: 0.25rem 0.5rem;
    background-color: rgba(15, 23, 42, 0.75);
    color: var(--white);
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 0.25rem;
    letter-spacing: 0.05em;
}

.tab-body {
    padding: 1.5rem;
}

.tab-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.tab-card-title {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--bg-navy);
}

.opportunity-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.6875rem;
    font-weight: 700;
    border: 1px solid transparent;
}

.badge-premium {
    background-color: #ecfdf5;
    color: #047857;
    border-color: #a7f3d0;
}

.badge-forte {
    background-color: #eff6ff;
    color: #1d4ed8;
    border-color: #bfdbfe;
}

.badge-alert {
    background-color: #fffbeb;
    color: #b45309;
    border-color: #fde68a;
}

.tab-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    border-top: 1px solid var(--border);
    padding-top: 1rem;
    text-align: center;
}

.tab-stat-label {
    font-size: 0.625rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.25rem;
}

.tab-stat-value {
    font-weight: 700;
    font-size: 0.9375rem;
    color: var(--text-primary);
}

.tab-stat-value.lucro {
    color: var(--lucro);
}

.tab-stat-value.primary {
    color: var(--primary);
}

/* Landing Page Metrics row */
.landing-metrics-bar {
    background-color: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 3rem 2rem;
}

.landing-metrics-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 640px) {
    .landing-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .landing-metrics-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.landing-metric-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    background-color: var(--bg-light);
    border: 1px solid var(--border);
    padding: 1.5rem;
    border-radius: 0.75rem;
}

.landing-metric-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.landing-metric-info h4 {
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--bg-navy);
}

.landing-metric-info p {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Disclaimer Banner */
.disclaimer-banner {
    background-color: #fffbeb;
    border-top: 1px solid #fde68a;
    border-bottom: 1px solid #fde68a;
    padding: 0.75rem 2rem;
}

.disclaimer-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: #b45309;
    line-height: 1.4;
}

@media (min-width: 640px) {
    .disclaimer-container {
        font-size: 0.875rem;
    }
}

/* Features */
.features-section {
    padding: 6rem 2rem;
    background-color: var(--white);
    border-bottom: 1px solid var(--border);
    text-align: center;
}

.section-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--bg-navy);
    margin-bottom: 3.5rem;
    letter-spacing: -0.025em;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.feature-card {
    background-color: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 2rem 1.5rem;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: #BFDBFE;
    box-shadow: 0 12px 24px -8px rgba(15, 23, 42, 0.12);
}

.feature-step {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
}

.feature-title {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--bg-navy);
}

.feature-desc {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Pricing Section */
.pricing-section {
    padding: 6rem 2rem;
    text-align: center;
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 3.5rem;
}

@media (min-width: 768px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.pricing-card {
    background-color: var(--white);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 2.5rem 2rem;
    text-align: left;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 1px 3px rgba(0,0,0,0.02);
    transition: transform 0.25s, box-shadow 0.25s;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 32px -12px rgba(15, 23, 42, 0.15);
}

.pricing-card.recommended {
    border: 2px solid var(--primary);
    position: relative;
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.05);
}

.pricing-card-badge {
    position: absolute;
    top: -0.75rem;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary);
    color: var(--white);
    font-size: 0.5625rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 0.25rem 1rem;
    border-radius: 9999px;
}

.pricing-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.pricing-name {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--bg-navy);
}

.pricing-price {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--bg-navy);
}

.pricing-price span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.pricing-desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1.5rem;
    border-top: 1px solid var(--border);
    padding-top: 1.5rem;
}

.pricing-card .btn {
    margin-top: 2rem;
    width: 100%;
}

/* FAQ Section */
.faq-section {
    padding: 6rem 2rem;
    background-color: var(--white);
    border-top: 1px solid var(--border);
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 48rem;
    margin: 3.5rem auto 0 auto;
    text-align: left;
}

.faq-item {
    border-bottom: 1px solid var(--border);
    padding-bottom: 1.5rem;
}

.faq-question {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--bg-navy);
    margin-bottom: 0.5rem;
}

.faq-answer {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Stripe Checkout Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    z-index: 100;
}

.modal-box {
    background-color: var(--white);
    border-radius: 1rem;
    max-width: 24rem;
    width: 100%;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
}

.modal-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 1rem;
}

.modal-body {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.modal-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.modal-actions .btn {
    flex: 1;
}

/* Authentication Cards */
.auth-wrapper {
    min-height: calc(100vh - 12rem);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
}

.auth-card {
    background-color: var(--white);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 2.5rem;
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
}

.auth-header {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-group label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.form-control {
    height: 2.75rem;
    padding: 0 1rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    font-size: 0.8125rem;
    color: var(--text-primary);
    width: 100%;
    outline: none;
    background-color: #F8FAFC;
    transition: all 0.2s;
}

.form-control:focus {
    border-color: var(--primary);
    background-color: var(--white);
}

.auth-footer {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border);
    padding-top: 1.25rem;
}

.auth-link {
    color: var(--primary);
    font-weight: 700;
}

.auth-link:hover {
    text-decoration: underline;
}

/* Checkout spinner */
.checkout-spinner {
    width: 1.75rem;
    height: 1.75rem;
    margin: 1rem auto 0 auto;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 9999px;
    animation: cm-spin 0.8s linear infinite;
}

@keyframes cm-spin {
    to { transform: rotate(360deg); }
}

/* Section eyebrow labels */
.section-eyebrow {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--primary);
    background-color: #EFF6FF;
    border: 1px solid #DBEAFE;
    padding: 0.3rem 0.9rem;
    border-radius: 9999px;
    margin-bottom: 1.25rem;
}

/* Trust / marketplaces bar */
.trust-bar {
    background-color: var(--bg-navy);
    padding: 1.5rem 2rem;
}

.trust-bar-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 1rem 3rem;
    color: #94A3B8;
    font-size: 0.8125rem;
    font-weight: 600;
}

.trust-bar-label {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #64748B;
}

.trust-bar-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #CBD5E1;
}

/* Testimonials */
.testimonials-section {
    padding: 6rem 2rem;
    background-color: var(--bg-light);
    border-bottom: 1px solid var(--border);
    text-align: center;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    text-align: left;
}

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.testimonial-card {
    background-color: var(--white);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.03);
    transition: transform 0.25s, box-shadow 0.25s;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px -10px rgba(15, 23, 42, 0.12);
}

.testimonial-stars {
    color: #F59E0B;
    font-size: 0.875rem;
    letter-spacing: 0.15em;
}

.testimonial-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.65;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-top: 1px solid var(--border);
    padding-top: 1rem;
}

.testimonial-avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.875rem;
    color: var(--white);
    background: linear-gradient(135deg, var(--primary), #7C3AED);
    flex-shrink: 0;
}

.testimonial-author-name {
    font-weight: 700;
    font-size: 0.8125rem;
    color: var(--bg-navy);
}

.testimonial-author-role {
    font-size: 0.6875rem;
    color: var(--text-secondary);
}

/* CTA band */
.cta-band {
    background:
        radial-gradient(40rem 20rem at 80% 0%, rgba(59, 130, 246, 0.25), transparent 60%),
        linear-gradient(135deg, #0F172A, #1E3A8A);
    padding: 5rem 2rem;
    text-align: center;
    color: var(--white);
}

.cta-band h2 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    margin-bottom: 1rem;
}

.cta-band p {
    font-size: 1rem;
    color: #CBD5E1;
    max-width: 36rem;
    margin: 0 auto 2rem auto;
    line-height: 1.6;
}

.cta-band .btn {
    height: 3.25rem;
    padding: 0 2.25rem;
    font-size: 1rem;
}

/* Demo credentials helper box (auth pages) */
.demo-credentials-box {
    background-color: #F0FDF4;
    border: 1px solid #BBF7D0;
    border-radius: 0.5rem;
    padding: 0.85rem 1rem;
    font-size: 0.6875rem;
    color: #166534;
    line-height: 1.7;
    text-align: left;
}

.demo-credentials-box code {
    background-color: #DCFCE7;
    padding: 0.1rem 0.4rem;
    border-radius: 0.25rem;
    font-weight: 700;
}

/* Utilities */
.hidden {
    display: none !important;
}

/* Footer mockup elements styling */
.site-footer {
    background-color: #07111F;
    color: #94a3b8;
    padding: 4rem 2rem;
    border-top: 1px solid #1e293b;
    font-size: 0.8125rem;
    width: 100%;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid #1e293b;
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1.5fr repeat(3, 1fr) 1fr;
    }
}

.footer-brand-col {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-logo-icon {
    width: 1.75rem;
    height: 1.75rem;
    background: linear-gradient(135deg, var(--primary), #3b82f6);
    color: #fff;
    border-radius: 0.375rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1rem;
}

.footer-logo-text {
    font-weight: 800;
    font-size: 1.25rem;
    color: #fff;
}

.footer-col-title {
    color: #fff;
    font-weight: 700;
    font-size: 0.875rem;
    margin-bottom: 1.25rem;
}

.footer-links-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-link-item {
    transition: color 0.2s;
}

.footer-link-item:hover {
    color: #fff;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    padding-top: 2rem;
    font-size: 0.75rem;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
    }
}

.footer-socials {
    display: flex;
    gap: 1rem;
    font-size: 1.25rem;
}