/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: #000;
    color: #fff;
    overflow-x: hidden;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Particles Background */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    background: linear-gradient(135deg, #000 0%, #1a0033 50%, #000 100%);
}

/* Typography */
.highlight {
    background: linear-gradient(45deg, #FF0000, #FF6B6B);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.glow-text {
    color: #fff;
    text-shadow: 0 0 20px rgba(255, 0, 0, 0.5),
                 0 0 40px rgba(255, 0, 0, 0.3),
                 0 0 60px rgba(255, 0, 0, 0.2);
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { text-shadow: 0 0 20px rgba(255, 0, 0, 0.5), 0 0 40px rgba(255, 0, 0, 0.3), 0 0 60px rgba(255, 0, 0, 0.2); }
    to { text-shadow: 0 0 30px rgba(255, 0, 0, 0.8), 0 0 60px rgba(255, 0, 0, 0.5), 0 0 90px rgba(255, 0, 0, 0.3); }
}

/* Text Alignment Classes */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 100px 0;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 30px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #ccc;
    line-height: 1.5;
    margin-bottom: 40px;
    max-width: 500px;
}

.cta-container {
    margin-top: 40px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 36px;
    background: linear-gradient(45deg, #FF0000, #FF4444);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(255, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 0, 0, 0.4);
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
    animation: float 6s ease-in-out infinite;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 450px;
    height: 320px;
    display: flex;
    justify-content: center;
    align-items: center;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.youtube-home-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Section Intro */
.section-intro {
    text-align: center;
    font-size: 1.2rem;
    color: #ccc;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* Bio Section */
.bio-section {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.02);
}

.bio-content {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.bio-image {
    display: flex;
    justify-content: center;
}

.profile-image {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 20px 60px rgba(255, 0, 0, 0.3);
}

.bio-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: #fff;
}

.bio-description p {
    color: #ccc;
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 1.1rem;
    text-align: left;
}

.bio-description strong {
    color: #FF0000;
    font-weight: 600;
}

/* Video Thumbnails */
.video-thumbnail {
    width: 100%;
    aspect-ratio: 1120/951;
    object-fit: contain;
    border-radius: 8px;
}

/* Examples Grid Update */
.examples-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
    margin-bottom: 40px;
}

/* Learn Section */
.learn-section {
    padding: 80px 0;
    position: relative;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: 40px;
    line-height: 1.2;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 40px;
    margin-bottom: 40px;
}

.steps-grid-bottom {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.step-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.step-card::before {
    content: attr(data-step);
    position: absolute;
    top: -20px;
    right: -20px;
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, #FF0000, #FF6B6B);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.2rem;
    opacity: 0.1;
}

.step-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 0, 0, 0.3);
    box-shadow: 0 20px 60px rgba(255, 0, 0, 0.1);
}

.step-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, #FF0000, #FF6B6B);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    font-size: 2rem;
}

.step-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #fff;
    text-align: center;
}

.step-card p {
    color: #ccc;
    line-height: 1.6;
    text-align: left;
    font-size: 0.95rem;
}

/* Examples Section */
.examples-section {
    padding: 80px 0;
    background: rgba(255, 0, 0, 0.02);
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #ccc;
    margin-top: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
    margin-bottom: 40px;
}

.example-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.example-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(255, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.8) 100%);
    position: relative;
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 900;
    margin-bottom: 60px;
    line-height: 1.1;
}

.capture-form {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 30px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #fff;
}

.form-group input {
    width: 100%;
    padding: 18px 24px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    color: #fff;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group input:focus {
    outline: none;
    border-color: #FF0000;
    box-shadow: 0 0 20px rgba(255, 0, 0, 0.2);
}

.form-disclaimer {
    color: #ccc;
    font-size: 0.9rem;
    margin-top: 20px;
}

/* Footer */
.footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #999;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.2rem;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 1rem;
        line-height: 1.4;
        margin-bottom: 20px;
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
        padding-top: 60px;
        padding-bottom: 20px;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .floating-card {
        width: 90%;
        max-width: 320px;
        height: 220px;
        padding: 20px;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .steps-grid-bottom {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .examples-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .bio-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .profile-image {
        width: 150px;
        height: 150px;
    }
    
    .capture-form {
        padding: 30px 20px;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 0;
    }
    
    .learn-section,
    .examples-section,
    .cta-section,
    .bio-section {
        padding: 60px 0;
    }
    
    .step-card {
        padding: 30px 20px;
    }
    
    .cta-button {
        padding: 16px 28px;
        font-size: 1rem;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Loading Animation */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading .cta-button {
    background: #666;
}

.loading .cta-button i {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* NOVOS ESTILOS PARA VALIDAÇÃO */
.error-message {
    display: none; /* Escondido por padrão */
    color: #FF6B6B; /* Cor vermelha para o erro */
    font-size: 0.875rem;
    margin-top: 8px;
    font-weight: 500;
}

.form-group input.input-error {
    border-color: #FF6B6B !important; /* Borda vermelha no input com erro */
    box-shadow: 0 0 15px rgba(255, 75, 75, 0.2);
}