/* Base & Reset */
:root {
    --primary: #ff5722;
    --primary-dark: #e64a19;
    --primary-light: #ff7d47;
    --secondary: #ff9800;
    --secondary-dark: #f57c00;
    --secondary-light: #ffb74d;
    --dark: #263238;
    --light: #ffffff;
    --gray: #f5f5f5;
    --gray-dark: #9e9e9e;
    --text: #333333;
    --text-light: #757575;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
    --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--light);
    overflow-x: hidden;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
}

.section-subtitle {
    font-size: 1.1rem;
    text-align: center;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--gradient);
    color: var(--light);
    box-shadow: var(--shadow);
}

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

.accent {
    color: var(--primary);
}

/* Header Styles */
.header {
    background-color: var(--light);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
    padding: 1rem 0;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-list a {
    color: var(--text);
    position: relative;
    padding: 0.5rem 0;
    font-weight: 500;
}

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

.nav-list a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary);
    transition: var(--transition);
}

.nav-list a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 6rem 0 4rem;
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
}

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

.hero h1 {
    font-size: 3.25rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--text-light);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 2rem;
    margin-top: 2rem;
}

.rating {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stars {
    display: flex;
    gap: 0.25rem;
    color: var(--secondary);
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-shape {
    width: 100%;
    max-width: 500px;
}

/* Features Section */
.features-section {
    padding: 6rem 0;
    background-color: var(--gray);
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--light);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

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

.feature-icon {
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Technology Section */
.technology-section {
    padding: 6rem 0;
    position: relative;
}

.tech-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.tech-details {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.tech-item h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.tech-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.tech-shape {
    width: 100%;
    max-width: 400px;
}

/* How It Works */
.how-section {
    padding: 6rem 0;
    background-color: var(--gray);
}

.steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    max-width: 900px;
    margin: 0 auto;
}

.step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem;
    border-radius: var(--border-radius);
    background-color: var(--light);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.step-number {
    background: var(--gradient);
    color: var(--light);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.step h3 {
    margin-bottom: 0.75rem;
}

.step-connector {
    color: var(--primary);
    width: 80px;
}

/* FAQ Section */
.faq-section {
    padding: 6rem 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--gray-dark);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    background-color: var(--light);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question h3 {
    font-size: 1.1rem;
    margin: 0;
}

.faq-question svg {
    transition: var(--transition);
}

.faq-question.active svg {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 1.5rem;
}

.faq-answer.active {
    max-height: 300px;
    padding: 0 1.5rem 1.5rem;
}

/* CTA Section */
.cta-section {
    padding: 5rem 0;
    background: var(--gradient);
    color: var(--light);
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.cta-section p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* Footer */
.footer {
    background-color: var(--dark);
    color: var(--light);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 350px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.footer h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.footer h3::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--primary);
}

.footer ul {
    list-style: none;
}

.footer ul li:not(:last-child) {
    margin-bottom: 0.75rem;
}

.footer a {
    color: var(--gray);
    transition: var(--transition);
}

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

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray-dark);
}

/* Open Graph Image */
.og-image-svg {
    width: 1200px;
    height: 630px;
}

/* Mobile Responsive Styles */
@media (max-width: 992px) {
    .hero-grid,
    .tech-content,
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-visual {
        order: -1;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .nav-list {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--light);
        flex-direction: column;
        gap: 0;
        box-shadow: var(--shadow);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .nav-list.active {
        max-height: 300px;
    }
    
    .nav-list li {
        width: 100%;
    }
    
    .nav-list a {
        display: block;
        padding: 1rem;
        text-align: center;
        width: 100%;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .steps {
        flex-direction: column;
        max-width: 350px;
    }
    
    .step-connector {
        transform: rotate(90deg);
    }
}

@media (max-width: 576px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}