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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #000;
    color: #fff;
    line-height: 1.6;
}

/* Header Styles */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(234, 88, 12, 0.2);
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    text-decoration: none;
}

.logo-safe {
    color: #EA580C;
}

.logo-class {
    color: #fff;
}

nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

nav a, nav button {
    color: #fff;
    text-decoration: none;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    transition: color 0.3s;
}

nav a:hover, nav button:hover {
    color: #EA580C;
}

.btn-primary {
    background-color: #EA580C;
    color: #fff;
    padding: 0.5rem 1.5rem;
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.3s;
}

.btn-primary:hover {
    background-color: #C2410C;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-menu {
    display: none;
    padding: 1rem 0;
}

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

.mobile-menu a, .mobile-menu button {
    display: block;
    width: 100%;
    text-align: left;
    padding: 0.75rem 0;
    color: #fff;
    text-decoration: none;
    background: none;
    border: none;
    font-size: 1rem;
    cursor: pointer;
    transition: color 0.3s;
}

.mobile-menu a:hover, .mobile-menu button:hover {
    color: #EA580C;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 64px;
    background-color: #000;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('https://nova-escola-producao.s3.amazonaws.com/gPTpj5g5aPDAhGk9MFaZqDFuhCBurrzupFcqwdS2bHBQEZxKPKjd5wBrGzpc/observacao-de-sala-de-aula-getty-images.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(234, 88, 12, 0.4) 0%, rgba(0, 0, 0, 0.85) 50%, rgba(0, 0, 0, 0.95) 100%);
}

.hero-pulse-1, .hero-pulse-2 {
    position: absolute;
    width: 384px;
    height: 384px;
    background: rgba(234, 88, 12, 0.05);
    border-radius: 50%;
    filter: blur(80px);
    animation: pulse 3s ease-in-out infinite;
}

.hero-pulse-1 {
    top: 25%;
    left: 25%;
}

.hero-pulse-2 {
    bottom: 25%;
    right: 25%;
    animation-delay: 0.7s;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 1280px;
    margin: 0 auto;
    padding: 5rem 1rem;
    width: 100%;
    text-align: center;
}

.hero h1 {
    font-size: 4rem;
    font-weight: bold;
    margin-bottom: 2rem;
    line-height: 1.2;
}

.hero-highlight {
    color: #EA580C;
}

.hero p {
    font-size: 1.5rem;
    color: #D1D5DB;
    margin-bottom: 3rem;
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 5rem;
    flex-wrap: wrap;
}

.btn-hero {
    padding: 1.25rem 2.5rem;
    border-radius: 0.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn-hero-primary {
    background-color: #EA580C;
    color: #fff;
    border: none;
    box-shadow: 0 10px 30px rgba(234, 88, 12, 0.5);

}

.btn-hero-primary:hover {
    background-color: #C2410C;
}

.btn-hero-secondary {
    background-color: #EA580C;
    color: #fff;
    border: 2px solid #EA580C;
}

.btn-hero-secondary:hover {
    background-color: #EA580C;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 64rem;
    margin: 0 auto;
}

.stat-card {
    background: rgba(17, 24, 39, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(234, 88, 12, 0.2);
    border-radius: 0.75rem;
    padding: 1.5rem;
}

.stat-icon {
    margin: 0 auto 0.75rem;
    color: #EA580C;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #9CA3AF;
}

/* Benefits Section */
.benefits {
    padding: 5rem 1rem;
    background-color: #111827;
}

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

.section-title {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.25rem;
    color: #9CA3AF;
    max-width: 48rem;
    margin: 0 auto;
}

.benefits-grid {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.benefit-card {
    background-color: #000;
    padding: 2rem;
    border-radius: 0.75rem;
    border: 2px solid #1F2937;
    transition: all 0.3s;
}

.benefit-card:hover {
    border-color: #EA580C;
    box-shadow: 0 10px 30px rgba(234, 88, 12, 0.2);
}

.benefit-icon {
    background-color: #EA580C;
    width: 64px;
    height: 64px;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.benefit-title {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 0.75rem;
}

.benefit-description {
    color: #9CA3AF;
}

/* How It Works Section */
.how-it-works {
    padding: 5rem 1rem;
    background-color: #000;
}

.steps-grid {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step-card {
    position: relative;
    background-color: #111827;
    padding: 2rem;
    border-radius: 0.75rem;
    border: 2px solid #1F2937;
    transition: all 0.3s;
}

.step-card:hover {
    border-color: #EA580C;
}

.step-number {
    position: absolute;
    top: -1.5rem;
    left: 2rem;
    background-color: #EA580C;
    color: #fff;
    font-size: 1.5rem;
    font-weight: bold;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-icon {
    margin: 1rem 0;
    color: #EA580C;
}

.step-title {
    font-size: 1.25rem;
    font-weight: bold;
    margin-bottom: 0.75rem;
}

.step-description {
    color: #9CA3AF;
}

/* AI Feature Section */
.ai-feature {
    padding: 5rem 1rem;
    background: linear-gradient(135deg, #111827 0%, #000 100%);
}

.ai-content {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

.ai-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(234, 88, 12, 0.2);
    border: 1px solid rgba(234, 88, 12, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    margin-bottom: 1.5rem;
}

.ai-badge-text {
    color: #EA580C;
    font-weight: 600;
}

.ai-title {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
}

.ai-description {
    font-size: 1.25rem;
    color: #9CA3AF;
    margin-bottom: 2rem;
}

.ai-features {
    margin-bottom: 2rem;
}

.ai-feature-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.ai-feature-icon {
    background-color: #EA580C;
    padding: 0.5rem;
    border-radius: 0.5rem;
    flex-shrink: 0;
}

.ai-feature-title {
    font-weight: bold;
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.ai-feature-desc {
    color: #9CA3AF;
}

.ai-visual {
    background: rgba(17, 24, 39, 0.5);
    backdrop-filter: blur(20px);
    border-radius: 1rem;
    padding: 2rem;
    border: 1px solid rgba(234, 88, 12, 0.2);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    position: relative;
}

.chat-message {
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
}

.message-user {
    background-color: #1F2937;
    border: 1px solid #374151;
}

.message-ai {
    background: rgba(234, 88, 12, 0.2);
    border: 1px solid rgba(234, 88, 12, 0.3);
    margin-left: 2rem;
}

.ai-label {
    color: #EA580C;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.free-badge {
    position: absolute;
    top: -1rem;
    right: -1rem;
    background-color: #EA580C;
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-weight: bold;
    animation: pulse 2s ease-in-out infinite;
}

/* Contact Section */
.contact {
    padding: 5rem 1rem;
    background-color: #111827;
}

.contact-grid {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.contact-info {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-icon {
    background-color: #EA580C;
    padding: 0.75rem;
    border-radius: 0.5rem;
}

.contact-item h3 {
    font-weight: bold;
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: #9CA3AF;
}

.contact-form {
    background-color: #000;
    padding: 2rem;
    border-radius: 1rem;
    border: 2px solid #1F2937;
}

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

.form-label {
    display: block;
    color: #fff;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: #111827;
    border: 1px solid #374151;
    border-radius: 0.5rem;
    color: #fff;
    font-size: 1rem;
}

.form-input:focus {
    outline: none;
    border-color: #EA580C;
    box-shadow: 0 0 0 3px rgba(234, 88, 12, 0.2);
}

textarea.form-input {
    resize: none;
    min-height: 120px;
}

/* Footer */
footer {
    background-color: #000;
    border-top: 1px solid rgba(234, 88, 12, 0.2);
    padding: 3rem 1rem;
}

.footer-content {
    max-width: 1280px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #9CA3AF;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #EA580C;
}

.footer-bottom {
    border-top: 1px solid #1F2937;
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.social-links a {
    color: #9CA3AF;
    transition: color 0.3s;
}

.social-links a:hover {
    color: #EA580C;
}

/* Responsive */
@media (max-width: 768px) {
    nav {
        display: none;
    }

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

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.125rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .ai-content {
        grid-template-columns: 1fr;
    }

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

@media (min-width: 1024px) {
    .ai-content {
        grid-template-columns: 1fr 1fr;
    }

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

/* Icons */
.icon {
    display: inline-block;
    width: 40px;
    height: 40px;
}

.icon-sm {
    width: 20px;
    height: 20px;
}