@import url('https://fonts.cdnfonts.com/css/geist');

:root {
    --purple-500: #8b5cf6;
    --purple-600: #7c3aed;
    --purple-700: #6d28d9;
    --font-primary: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
}

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

body {
    font-family: var(--font-primary);
    background-color: #000;
    color: #fff;
    line-height: 1.5;
}

.header {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    padding: 1rem 0;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--purple-500);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
    font-weight: 500;
}

.nav-links a:hover,
.nav-links a:focus {
    color: var(--purple-500);
    text-decoration: underline;
}

.auth-buttons {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.login-btn {
    color: #fff;
    text-decoration: none;
    font-size: 0.875rem;
}

.primary-btn {
    background-color: var(--purple-600);
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    text-decoration: none;
    font-size: 0.875rem;
    transition: background-color 0.2s;
    font-family: var(--font-primary);
    font-weight: 500;
    letter-spacing: normal;
}

.primary-btn:hover {
    background-color: var(--purple-700);
}

.secondary-btn {
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-primary);
    font-weight: 500;
    letter-spacing: normal;
}

.hero {
    padding: 8rem 1rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.customer-badge {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    margin-bottom: 2rem;
}

.avatar-group {
    display: flex;
}

.avatar {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    border: 2px solid #000;
    margin-left: -0.5rem;
}

.avatar:first-child {
    margin-left: 0;
}

.hero h1 {
    font-family: var(--font-primary);
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -0.03em;
    background: linear-gradient(to right, #fff, #e2e8f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle {
    font-family: var(--font-primary);
    font-size: 1.25rem;
    color: #94a3b8;
    max-width: 700px;
    margin: 0 auto 2rem;
    line-height: 1.6;
    font-weight: 400;
    letter-spacing: -0.01em;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.partners {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 4rem;
}

.partner-logos {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.partner-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.2s ease;
}

.partner-item:hover {
    transform: translateY(-2px);
}

.partner-item svg {
    width: 2rem;
    height: 2rem;
    color: #6b7280;
    transition: color 0.2s ease;
}

.partner-item:hover svg {
    color: var(--purple-500);
}

.partner-item span {
    color: #6b7280;
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

.partner-item:hover span {
    color: #94a3b8;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 100;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: #fff;
    margin: 4px 0;
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    .nav-links, .auth-buttons {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(0, 0, 0, 0.95);
        display: none;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        padding: 2rem;
        z-index: 90;
    }

    .nav-links.active {
        display: flex;
    }

    .auth-buttons {
        position: fixed;
        bottom: 2rem;
        left: 0;
        right: 0;
        display: none;
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        padding: 1rem;
        z-index: 91;
    }

    .auth-buttons.active {
        display: flex;
    }

    .auth-buttons a {
        width: 200px;
        text-align: center;
    }

    .hero h1 {
        font-size: 2.2rem;
        padding: 0 1rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
        padding: 0 1rem;
    }

    .partner-logos {
        gap: 2rem;
    }

    .partner-item {
        flex: 0 0 calc(33.333% - 1.5rem);
    }

    /* Animação do menu hambúrguer */
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    /* Prevenir scroll quando menu está aberto */
    body.menu-open {
        overflow: hidden;
    }
}

@media (max-width: 480px) {
    .partner-item {
        flex: 0 0 calc(50% - 1rem);
    }
}

/* Features Section */
.features {
    padding: 4rem 1rem;
    background-color: #000;
    position: relative;
}

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

.features-header .tag {
    display: inline-block;
    background-color: rgba(124, 58, 237, 0.1);
    color: var(--purple-500);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.features-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    color: #fff;
}

.features-header p {
    color: #94a3b8;
    font-size: 1.125rem;
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.feature-card {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-icon {
    width: 3rem;
    height: 3rem;
    color: var(--purple-500);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #fff;
    letter-spacing: -0.02em;
}

.feature-card p {
    color: #94a3b8;
    line-height: 1.6;
    font-size: 0.875rem;
}

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

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #94a3b8;
    font-size: 0.875rem;
}

.feature-list li::before {
    content: "→";
    color: var(--purple-500);
}

@media (max-width: 768px) {
    .features {
        padding: 3rem 1rem;
    }

    .features-header h2 {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature-card {
        padding: 1.5rem;
    }
}

/* Solutions Section */
.solutions {
    padding: 6rem 1rem;
    background-color: rgba(124, 58, 237, 0.05);
}

.solution-card {
    max-width: 1200px;
    margin: 0 auto;
}

.solution-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: 1rem;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.solution-card h2 {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    margin-bottom: 1rem;
    max-width: 600px;
    letter-spacing: -0.02em;
    font-weight: 600;
}

.solution-card > p {
    color: #9ca3af;
    max-width: 500px;
    margin-bottom: 3rem;
}

.solution-demo {
    background-color: rgba(0, 0, 0, 0.5);
    padding: 2rem;
    border-radius: 0.5rem;
}

.notification-card {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 0.5rem;
    max-width: 400px;
}

.notification-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.notification-badge {
    background-color: var(--purple-500);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
}

.notification-date {
    color: #9ca3af;
    font-size: 0.875rem;
}

.notification-card h4 {
    margin-bottom: 0.5rem;
}

.notification-card p {
    color: #9ca3af;
    font-size: 0.875rem;
}

/* Testimonials Section */
.testimonials {
    padding: 6rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

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

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

.testimonial-card {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 0.5rem;
    transition: transform 0.2s;
}

.testimonial-card:hover {
    transform: translateY(-5px);
}

.testimonial-content {
    margin-bottom: 2rem;
    color: #9ca3af;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
}

.testimonial-author h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.testimonial-author p {
    color: #9ca3af;
    font-size: 0.875rem;
}

/* Pricing Section */
.pricing {
    padding: 6rem 1rem;
    background-color: rgba(124, 58, 237, 0.05);
}

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

.pricing-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.pricing-card {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 0.5rem;
    position: relative;
    transition: transform 0.2s;
}

.pricing-card:hover {
    transform: translateY(-5px);
}

.pricing-card.popular {
    border: 2px solid var(--purple-500);
}

.popular-tag {
    position: absolute;
    top: -1rem;
    right: 2rem;
    background-color: var(--purple-500);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 1rem;
    font-size: 0.875rem;
}

.pricing-card-header {
    text-align: center;
    margin-bottom: 2rem;
}

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

.price {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.currency {
    font-size: 1.5rem;
    vertical-align: super;
}

.period {
    font-size: 1rem;
    color: #9ca3af;
}

.price-custom {
    font-size: 1.5rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li {
    color: #9ca3af;
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.pricing-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--purple-500);
}

.pricing-cta {
    display: inline-block;
    width: 100%;
    padding: 0.75rem 1.5rem;
    text-align: center;
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.2s;
    text-decoration: none;
    background-color: rgba(124, 58, 237, 0.1);
    color: var(--purple-500);
}

.pricing-cta:hover {
    background-color: rgba(124, 58, 237, 0.2);
}

.pricing-cta.primary {
    background-color: var(--purple-600);
    color: #fff;
}

.pricing-cta.primary:hover {
    background-color: var(--purple-700);
}

/* Responsividade adicional */
@media (max-width: 768px) {
    .testimonials-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card {
        margin-bottom: 2rem;
    }

    .price {
        font-size: 2rem;
    }
}

/* Contact Section */
.contact {
    padding: 6rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

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

.contact-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    background-color: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 0.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.contact-form label {
    font-size: 0.875rem;
    color: #9ca3af;
    font-family: var(--font-primary);
    font-weight: 500;
}

.contact-form input,
.contact-form textarea {
    padding: 0.75rem;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.375rem;
    color: white;
    font-size: 1rem;
    font-family: var(--font-primary);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--purple-500);
    box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.2);
}

.submit-btn {
    grid-column: 1 / -1;
    background-color: var(--purple-600);
    color: white;
    padding: 0.75rem;
    border: none;
    border-radius: 0.375rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    font-family: var(--font-primary);
}

.submit-btn:hover {
    background-color: var(--purple-700);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Opcional: Adicionar animação de loading */
@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.7; }
    100% { opacity: 1; }
}

.submit-btn:disabled {
    animation: pulse 1.5s infinite;
}

/* Ajustar os headers das seções */
.features-header h2,
.solution-card h2,
.testimonials-header h2,
.pricing-header h2,
.contact-header h2 {
    font-family: var(--font-primary);
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Cursos */
.courses-hero {
    padding: 8rem 1rem 4rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.courses-hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #fff, #e2e8f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.courses-subtitle {
    font-size: 1.25rem;
    color: #94a3b8;
    margin-bottom: 3rem;
}

.courses-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.course-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 1rem;
    overflow: hidden;
    transition: transform 0.2s;
}

.course-card:hover {
    transform: translateY(-5px);
}

.course-icon {
    background-color: rgba(124, 58, 237, 0.1);
    padding: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.course-icon svg {
    width: 3rem;
    height: 3rem;
    color: var(--purple-500);
}

.course-content {
    padding: 2rem;
}

.course-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: rgba(124, 58, 237, 0.1);
    color: var(--purple-500);
    border-radius: 1rem;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.course-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.course-content p {
    color: #94a3b8;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.course-topics {
    list-style: none;
    margin-bottom: 2rem;
}

.course-topics li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #e2e8f0;
    margin-bottom: 0.5rem;
}

.course-topics li::before {
    content: "•";
    color: var(--purple-500);
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.course-duration {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #94a3b8;
    font-size: 0.875rem;
}

.course-duration svg {
    width: 1.25rem;
    height: 1.25rem;
}

.course-cta {
    background-color: var(--purple-600);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    text-decoration: none;
    font-size: 0.875rem;
    transition: background-color 0.2s;
}

.course-cta:hover {
    background-color: var(--purple-700);
}

@media (max-width: 768px) {
    .courses-hero h1 {
        font-size: 2.5rem;
    }

    .courses-grid {
        grid-template-columns: 1fr;
    }
}

/* AI Features Section */
.ai-features {
    padding: 4rem 1rem;
    background-color: #000;
}

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

.ai-header .tag {
    display: inline-block;
    background-color: rgba(124, 58, 237, 0.1);
    color: var(--purple-500);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.ai-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #fff;
}

.ai-header p {
    color: #94a3b8;
    font-size: 1.125rem;
}

.ai-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.ai-card {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 1rem;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.ai-icon {
    width: 3rem;
    height: 3rem;
    color: var(--purple-500);
    margin-bottom: 1.5rem;
}

.ai-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 1rem;
}

.ai-card p {
    color: #94a3b8;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.ai-features-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ai-features-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--purple-500);
    font-size: 0.875rem;
    padding: 0.5rem 0;
}

/* Footer */
.footer {
    background-color: rgba(0, 0, 0, 0.9);
    padding: 4rem 1rem 2rem;
    margin-top: 4rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.footer-logo svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--purple-500);
}

.footer-brand p {
    color: #94a3b8;
    font-size: 0.875rem;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 2rem;
    height: 2rem;
    color: #94a3b8;
    transition: color 0.2s;
}

.social-link:hover {
    color: var(--purple-500);
}

.footer-links h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #fff;
}

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

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: #fff;
}

.footer-newsletter h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #fff;
}

.footer-newsletter p {
    color: #94a3b8;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background-color: rgba(255, 255, 255, 0.05);
    color: #fff;
    font-size: 0.875rem;
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--purple-500);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #94a3b8;
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-legal a:hover {
    color: #fff;
}

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 3rem;
    }
}

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .footer-legal {
        justify-content: center;
    }

    .newsletter-form {
        flex-direction: column;
    }
}

/* Ajuste responsivo */
@media (max-width: 1024px) {
    .ai-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .ai-grid {
        grid-template-columns: 1fr;
    }

    .ai-card {
        padding: 1.5rem;
    }

    .ai-card h3 {
        font-size: 1.25rem;
    }
}

/* Otimizações de Performance */
img {
    max-width: 100%;
    height: auto;
    /* Previne layout shift */
    aspect-ratio: attr(width) / attr(height);
}

/* Melhorar a acessibilidade */
:focus {
    outline: 2px solid var(--purple-500);
    outline-offset: 2px;
}

/* Adicionar suporte para modo escuro do sistema */
@media (prefers-color-scheme: dark) {
    :root {
        --purple-500: #a78bfa;
        --purple-600: #8b5cf6;
        --purple-700: #7c3aed;
    }
}

/* Melhorar performance de animações */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Ajustes para a fonte DM Sans */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
}

.hero h1 {
    font-weight: 700;
    letter-spacing: -0.03em;
}

.nav-links a {
    font-weight: 500;
}

.primary-btn, 
.secondary-btn {
    font-weight: 500;
    letter-spacing: normal;
}

.feature-card h3,
.pricing-card h3 {
    font-weight: 600;
    letter-spacing: -0.02em;
}

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

.footer-logo svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--purple-500);
}