:root {
    --primary: #8e44ad;
    --primary-light: #9b59b6;
    --primary-dark: #6c3483;
    --secondary: #e67e22;
    --secondary-light: #f39c12;
    --light: #f7f9fc;
    --dark: #2c3e50;
    --text: #34495e;
    --text-light: #7f8c8d;
    --white: #ffffff;
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

.page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1.5rem;
}

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-dark), var(--primary));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(142, 68, 173, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(45deg, var(--primary), var(--primary-light));
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(142, 68, 173, 0.4);
    color: var(--white);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
}

/* Header */
.site-header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.site-name {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary);
}

.domain {
    color: var(--secondary);
}

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

.main-nav a {
    color: var(--text);
    font-weight: 500;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    transition: var(--transition);
}

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

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 5rem 0;
    background: linear-gradient(135deg, rgba(142, 68, 173, 0.05) 0%, rgba(230, 126, 34, 0.05) 100%);
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 3rem;
}

.hero-content h1 {
    margin-bottom: 1.5rem;
    color: var(--primary);
}

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

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background-color: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.section-header p {
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    border-radius: var(--border-radius);
    z-index: -1;
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover h3,
.feature-card:hover p {
    color: var(--white);
}

.feature-icon {
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    color: var(--primary);
    transition: var(--transition);
}

.feature-card p {
    color: var(--text-light);
    margin-bottom: 0;
    transition: var(--transition);
}

/* How to Use Section */
.how-to {
    padding: 5rem 0;
    background-color: var(--light);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.step {
    display: flex;
    gap: 1.5rem;
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
}

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

.center-button {
    text-align: center;
    margin-top: 2rem;
}

/* FAQ Section */
.faq {
    padding: 5rem 0;
    background-color: var(--white);
}

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

.faq-item {
    border-radius: var(--border-radius);
    background-color: var(--light);
    overflow: hidden;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    cursor: pointer;
    position: relative;
}

.faq-question h3 {
    font-size: 1.1rem;
    margin: 0;
    color: var(--text);
    transition: var(--transition);
}

.toggle-icon {
    position: relative;
    width: 20px;
    height: 20px;
}

.toggle-icon::before,
.toggle-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--primary);
    transition: var(--transition);
}

.toggle-icon::before {
    width: 20px;
    height: 2px;
}

.toggle-icon::after {
    width: 2px;
    height: 20px;
}

.faq-answer {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
    border-top: 0 solid rgba(0, 0, 0, 0.1);
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    margin-bottom: 0;
}

.faq-item.active .faq-question {
    background-color: var(--primary);
}

.faq-item.active .faq-question h3 {
    color: var(--white);
}

.faq-item.active .toggle-icon::before,
.faq-item.active .toggle-icon::after {
    background: var(--white);
}

.faq-item.active .toggle-icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
    opacity: 0;
}

.faq-item.active .faq-answer {
    max-height: 1000px;
    border-top-width: 1px;
}

/* Footer */
.site-footer {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: var(--white);
    padding: 4rem 0 1.5rem;
    margin-top: auto;
}

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

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
}

.footer-logo .site-name {
    color: var(--white);
}

.footer-logo .domain {
    color: var(--secondary-light);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.footer-nav h4,
.footer-legal h4 {
    color: var(--white);
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-nav h4::after,
.footer-legal h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--secondary);
}

.footer-nav ul,
.footer-legal ul {
    list-style: none;
}

.footer-nav li,
.footer-legal li {
    margin-bottom: 0.5rem;
}

.footer-nav a,
.footer-legal a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-nav a:hover,
.footer-legal a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.keywords {
    margin-top: 0.5rem;
    font-size: 0.8rem;
    opacity: 0.5;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-image {
        order: -1;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-logo {
        align-items: center;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .main-nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--white);
        box-shadow: var(--shadow);
        padding: 1rem 0;
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: var(--transition);
    }
    
    .main-nav.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0.5rem;
        width: 90%;
        margin: 0 auto;
    }
    
    .main-nav li {
        text-align: center;
    }
    
    .main-nav a {
        display: block;
        padding: 0.75rem;
    }
    
    .menu-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    .step-number {
        margin: 0 auto 1rem;
    }
}