/* 
 * undressaiBR.love - Main Stylesheet
 * Brazilian AI undressing tool website
 * Color scheme: Green and teal theme with vibrant gradients
 */

/* Base styles and reset */
:root {
    --primary-color: #00c853;
    --secondary-color: #009688;
    --accent-color: #ff5722;
    --dark-color: #212121;
    --light-color: #f5f5f5;
    --gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
}

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

body {
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: var(--light-color);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

a:hover {
    color: var(--secondary-color);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
    color: var(--dark-color);
}

h1 {
    font-size: 2.8rem;
}

h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 40px;
}

h3 {
    font-size: 1.5rem;
}

section {
    padding: 80px 0;
}

/* Header and Navigation */
header {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--box-shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-icon {
    margin-right: 10px;
}

.menu {
    display: flex;
    list-style: none;
}

.menu li {
    margin-left: 25px;
}

.menu a {
    color: var(--dark-color);
    font-weight: 500;
}

.menu a:hover {
    color: var(--primary-color);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--dark-color);
    margin-bottom: 5px;
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    background: var(--gradient);
    color: white;
    text-align: center;
    padding: 150px 0 100px;
    margin-top: 65px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='rgba(255, 255, 255, 0.1)' d='M0,224L48,213.3C96,203,192,181,288,181.3C384,181,480,203,576,213.3C672,224,768,224,864,202.7C960,181,1056,139,1152,133.3C1248,128,1344,160,1392,176L1440,192L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E") no-repeat bottom;
    background-size: cover;
    opacity: 0.4;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: white;
}

.subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.button {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.button.primary {
    background-color: var(--accent-color);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 87, 34, 0.3);
}

.button.primary:hover {
    background-color: #e64a19;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 87, 34, 0.4);
}

.button.secondary {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
}

.button.secondary:hover {
    background-color: white;
    color: var(--primary-color);
}

/* Features Section */
.features {
    background-color: white;
    position: relative;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.feature-card {
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 60px;
    height: 60px;
    fill: var(--primary-color);
    margin-bottom: 20px;
}

/* How to Use Section */
.how-to-use {
    background-color: #f9f9f9;
    position: relative;
}

.steps {
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    margin-bottom: 40px;
    position: relative;
}

.step:last-child {
    margin-bottom: 0;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--gradient);
    color: white;
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
    margin-right: 20px;
    box-shadow: var(--box-shadow);
}

.step-content {
    background-color: white;
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    width: 100%;
}

.step-content h3 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

.cta-center {
    text-align: center;
    margin-top: 50px;
}

/* FAQ Section */
.faq {
    background-color: white;
}

.accordion {
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 15px;
    overflow: hidden;
}

.accordion-header {
    padding: 18px 25px;
    background-color: #f9f9f9;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
}

.accordion-header:hover {
    background-color: #f1f1f1;
}

.accordion-header::after {
    content: '+';
    position: absolute;
    right: 20px;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.accordion-item.active .accordion-header::after {
    transform: rotate(45deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    padding: 0 25px;
    transition: all 0.3s ease;
}

.accordion-item.active .accordion-content {
    max-height: 200px;
    padding: 15px 25px 25px;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-logo {
    flex-basis: 300px;
}

.footer-logo h3 {
    color: var(--primary-color);
    margin: 15px 0 10px;
}

.footer-logo p {
    color: #aaa;
}

.footer-links {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.footer-column h4 {
    color: white;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

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

.footer-column li {
    margin-bottom: 10px;
}

.footer-column a {
    color: #aaa;
}

.footer-column a:hover {
    color: var(--primary-color);
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #aaa;
}

.copyright p:first-child {
    margin-bottom: 10px;
}

/* Responsive Design */
@media (max-width: 992px) {
    h1 {
        font-size: 2.3rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .menu {
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        flex-direction: column;
        background-color: white;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        max-height: 0;
        overflow: hidden;
        transition: all 0.5s ease;
    }
    
    .menu.active {
        max-height: 300px;
    }
    
    .menu li {
        margin: 0;
    }
    
    .menu a {
        display: block;
        padding: 15px 20px;
        border-bottom: 1px solid #eee;
    }
    
    .hero {
        padding: 130px 0 80px;
        margin-top: 60px;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .step {
        flex-direction: column;
    }
    
    .step-number {
        margin-bottom: 15px;
    }
    
    .footer-links {
        gap: 20px;
    }
    
    .footer-column {
        flex-basis: 100%;
    }
}

@media (max-width: 576px) {
    section {
        padding: 60px 0;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.7rem;
        margin-bottom: 30px;
    }
    
    .button {
        width: 100%;
        text-align: center;
        margin-bottom: 15px;
    }
}