/* Este arquivo CSS pode ser usado como arquivo separado se desejar */

:root {
    --primary-color: #000;
    --secondary-color: #6c757d;
    --accent-color: #007bff;
    --light-bg: #f8f9fa;
    --dark-bg: #212529;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    scroll-behavior: smooth;
}

/* Header Styles */
.navbar-custom {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    padding: 1rem 0;
}

.navbar-custom.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    padding: 0.5rem 0;
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary-color) !important;
}

.nav-link {
    font-weight: 500;
    color: var(--primary-color) !important;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--secondary-color) !important;
}

.btn-custom {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-custom:hover {
    background: var(--secondary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-outline-custom {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 0.75rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-outline-custom:hover {
    background: var(--primary-color);
    color: white;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23ffffff" stroke-width="0.5" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--secondary-color);
    margin-bottom: 2rem;
}

.student-avatars img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 3px solid white;
    margin-left: -10px;
}

/* Card Styles */
.feature-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.course-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
    height: 100%;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.course-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.course-card:hover img {
    transform: scale(1.05);
}

.badge-custom {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    height: 100%;
}

.testimonial-card:hover {
    transform: scale(1.02);
}

/* Section Styles */
.section-padding {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--secondary-color);
    text-align: center;
    margin-bottom: 3rem;
}

/* CTA Section */
.cta-section {
    background: var(--dark-bg);
    color: white;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
}

.pricing-card.featured {
    transform: scale(1.05);
    border: 2px solid #007bff;
    background: rgba(255, 255, 255, 0.15);
}

.price {
    font-size: 3rem;
    font-weight: 800;
    margin: 1rem 0;
}

/* Footer */
.footer {
    background: var(--light-bg);
    padding: 3rem 0 2rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .hero-subtitle {
        font-size: 1.1rem;
    }
    .section-title {
        font-size: 2rem;
    }
}


body.dark-mode {
    background-color: #121212;
    color: #e0e0e0;
}

body.dark-mode .navbar,
body.dark-mode .footer,
body.dark-mode .section-padding,
body.dark-mode .feature-card,
body.dark-mode .course-card,
body.dark-mode .testimonial-card {
    background-color: #1e1e1e !important;
    color: #e0e0e0 !important;
}

body.dark-mode .text-muted,
body.dark-mode a,
body.dark-mode .nav-link,
body.dark-mode .section-subtitle {
    color: #bdbdbd !important;
}

body.dark-mode .btn-custom,
body.dark-mode .btn-outline-custom {
    background-color: #333;
    border-color: #555;
    color: #fff;
}

body.dark-mode .btn-outline-custom:hover {
    background-color: #444;
    color: #fff;
}
/* HERO dark-mode: textos com mais contraste */
body.dark-mode .hero-title {
    color: #040000 !important;
}

body.dark-mode .hero-title .text-primary {
    color: #4fc3f7 !important; /* azul claro */
}

body.dark-mode .hero-subtitle {
    color: #3a3030 !important;
}

body.dark-mode .badge.bg-light {
    background-color: #333 !important;
    color: #fff !important;
}

/* Inicialmente, mostra logo preta */
.logo-light {
    display: inline-block;
}
.logo-dark {
    display: none;
}

/* No modo escuro, inverte */
body.dark-mode .logo-light {
    display: none !important;
}
body.dark-mode .logo-dark {
    display: inline-block !important;
}
.theme-icon {
    transition: opacity 0.3s ease;
    font-size: 1rem;
}

/* Mostra sol no modo claro */
.theme-icon-light {
    display: inline-block;
    opacity: 1;
}
.theme-icon-dark {
    display: none;
    opacity: 0;
}

/* Mostra lua no modo escuro */
body.dark-mode .theme-icon-light {
    display: none;
    opacity: 0;
}
body.dark-mode .theme-icon-dark {
    display: inline-block;
    opacity: 1;
}
.btn-pulsar {
    display: inline-block;
    font-weight: 600;
    font-size: 0.9rem;
    color: #fff;
    background-color: #0d6efd;
    padding: 6px 14px;
    border-radius: 20px;
    text-decoration: none;
    transition: all 0.3s ease;
    animation: pulsar 1.6s infinite;
    box-shadow: 0 0 0 rgba(13, 110, 253, 0.7);
}

.btn-pulsar:hover {
    background-color: #0d6efd;
    box-shadow: 0 0 10px rgba(13, 110, 253, 0.6);
}

@keyframes pulsar {
    0% {
        box-shadow: 0 0 0 0 rgba(13, 110, 253, 0.7);
    }
    70% {
        box-shadow: 0 0 0 12px rgba(13, 110, 253, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(13, 110, 253, 0);
    }
}

body.dark-mode .btn-pulsar {
    background-color: #0d6efd;
    color: #fff !important;
    box-shadow: 0 0 0 rgba(79, 195, 247, 0.7);
}

body.dark-mode .btn-pulsar:hover {
    background-color: #29b6f6;
    box-shadow: 0 0 10px rgba(79, 195, 247, 0.6);
}
.ads-vertical {
    position: fixed;
    right: 0;
    top: 100px;
    z-index: 9999;
    display: none;
  }

  @media (min-width: 992px) {
    .ads-vertical {
      display: block;
    }
  }