/* ============================================
   STYLE.CSS - Marcelino Domingos Artur
   Tutorial Bot WhatsApp
   ============================================ */

/* === VARIÁVEIS CSS === */
:root {
    --primary: #25D366;
    --primary-dark: #128C7E;
    --primary-light: #DCF8C6;
    --secondary: #075E54;
    --accent: #34B7F1;
    --dark: #333333;
    --light: #FFFFFF;
    --gray: #666666;
    --light-gray: #F5F5F5;
    --border: #E0E0E0;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.15);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s ease;
}

/* === RESET E BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7;
    color: var(--dark);
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: 100vh;
}

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

/* === TIPOGRAFIA === */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--secondary);
}

h1 {
    font-size: 2.8rem;
}

h2 {
    font-size: 2.2rem;
    position: relative;
    padding-left: 2rem;
}

h2 i {
    position: absolute;
    left: 0;
    top: 0.5rem;
    color: var(--primary);
}

h3 {
    font-size: 1.6rem;
}

h4 {
    font-size: 1.3rem;
}

p {
    margin-bottom: 1.2rem;
    font-size: 1.1rem;
    color: var(--gray);
}

.lead {
    font-size: 1.3rem;
    font-weight: 300;
}

/* === BOTÕES === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.8rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--secondary);
    color: white;
}

.btn-secondary:hover {
    background: #05443a;
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-success:hover {
    background: #218838;
}

.btn-light {
    background: white;
    color: var(--dark);
    border: 2px solid var(--border);
}

.btn-light:hover {
    background: var(--light-gray);
    border-color: var(--primary);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.btn-xl {
    padding: 1.2rem 3rem;
    font-size: 1.2rem;
    border-radius: var(--radius-lg);
}

/* === HEADER/HERO === */
.hero {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 4rem 2rem;
    border-radius: var(--radius-lg);
    margin: 2rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::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 1440 320"><path fill="%2300756d" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: bottom;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    color: white;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    margin: 0 auto 2rem;
}

.hero-subtitle strong {
    color: var(--primary-light);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin: 2rem auto;
    max-width: 800px;
}

.stat {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--primary-light);
}

.stat span {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.stat small {
    font-size: 0.9rem;
    opacity: 0.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

/* === SESSÕES === */
section {
    margin: 3rem 0;
}

/* Autor */
.author-section {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.author-card {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.author-avatar {
    font-size: 5rem;
    color: var(--primary);
}

.author-info h3 {
    color: var(--secondary);
    margin-bottom: 0.5rem;
}

.author-info h4 {
    color: var(--dark);
    margin-bottom: 1rem;
}

.author-skills {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.skill-tag {
    background: var(--primary-light);
    color: var(--primary-dark);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Tutorial Steps */
.tutorial-steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.step {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.step:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-hover);
}

.step-icon {
    font-size: 2.5rem;
    color: var(--primary);
    background: var(--primary-light);
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-content h3 {
    color: var(--secondary);
    margin-bottom: 0.5rem;
}

.step-content ul {
    list-style: none;
    padding-left: 0;
    margin-top: 0.5rem;
}

.step-content li {
    padding: 0.2rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.step-content li:before {
    content: "✓";
    color: var(--primary);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Benefits */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.benefit-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.benefit-card i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.benefit-card h3 {
    color: var(--secondary);
    margin-bottom: 0.5rem;
}

/* Prerequisites */
.prereq-content {
    background: white;
    padding: 2rem;
    border-radius: var(--radius);
    margin: 1rem 0;
}

.prereq-item {
    display: flex;
    gap: 1rem;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
}

.prereq-item:last-child {
    border-bottom: none;
}

.prereq-item i {
    font-size: 1.5rem;
}

.prereq-item .green {
    color: var(--primary);
}

.note {
    background: var(--primary-light);
    padding: 1.5rem;
    border-radius: var(--radius);
    margin-top: 1.5rem;
    border-left: 4px solid var(--primary);
}

.note p {
    margin: 0;
    color: var(--primary-dark);
}

/* CTA */
.cta-section {
    margin: 4rem 0;
}

.cta-card {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 3rem;
    border-radius: var(--radius-lg);
    text-align: center;
}

.cta-card h2 {
    color: white;
}

.cta-card p {
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 2rem 0;
}

.testimonial {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: var(--radius);
    margin-top: 2rem;
    max-width: 600px;
    margin: 2rem auto 0;
    backdrop-filter: blur(10px);
}

.testimonial p {
    font-style: italic;
    margin-bottom: 0.5rem;
}

.testimonial .author {
    text-align: right;
    font-weight: 600;
    color: var(--primary-light);
}

/* Anúncios */
.ad-container {
    margin: 2rem 0;
    padding: 1rem;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
}

.ad-top {
    margin-top: 0;
    margin-bottom: 2rem;
}

/* Responsividade */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.6rem;
        padding-left: 1.5rem;
    }
    
    .hero {
        padding: 2rem 1rem;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .author-card {
        flex-direction: column;
        text-align: center;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    .step-icon {
        margin: 0 auto;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-lg, .btn-xl {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .stat {
        padding: 1rem;
    }
}

/* Animações */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero, section, .ad-container {
    animation: fadeIn 0.6s ease-out;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}