/* Base styles */
:root {
    --primary: #3498db;
    --primary-dark: #2980b9;
    --secondary: #2ecc71;
    --dark: #2c3e50;
    --light: #f9f9f9;
    --text: #333333;
    --border-radius: 6px;
    --transition: all 0.3s ease;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-strong: 0 8px 30px rgba(0, 0, 0, 0.2);
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

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

html {
    scroll-behavior: smooth;
}

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

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

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

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1.5rem;
}

section {
    padding: 5rem 0;
}

/* Header styles */
header {
    background-color: white;
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
}

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

.logo-wrapper {
    display: flex;
    align-items: center;
}

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

.nav-menu li {
    margin-left: 2rem;
}

.nav-menu li a {
    color: var(--dark);
    font-weight: 600;
    font-size: 1.05rem;
    padding: 0.5rem 0;
    position: relative;
}

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

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--dark);
    margin: 5px 0;
    border-radius: 3px;
    transition: var(--transition);
}

/* Button styles */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

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

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

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

.btn-secondary:hover {
    background-color: #27ae60;
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

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

/* Hero section */
.hero {
    background: var(--gradient);
    color: white;
    padding: 10rem 0 6rem;
    overflow: hidden;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path fill="white" opacity="0.1" d="M0 100 L100 0 L100 100 Z"/></svg>');
    background-size: 100% 100%;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 600px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero h1 span {
    display: block;
    color: var(--light);
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.tagline {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 30px;
    backdrop-filter: blur(5px);
}

.feature-icon {
    width: 24px;
    height: 24px;
}

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

.hero-image {
    flex-shrink: 0;
    margin-left: 2rem;
}

/* About section */
.about {
    background-color: white;
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.about-text {
    flex: 1;
}

.about-text p {
    font-size: 1.1rem;
    color: #666;
}

.about-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

/* How it works section */
.how-it-works {
    background-color: var(--light);
    position: relative;
}

.how-it-works::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="%233498db" opacity="0.2"/></svg>');
    opacity: 0.5;
}

.how-it-works h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark);
    position: relative;
}

.steps {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.step {
    flex: 1;
    background-color: white;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: var(--shadow);
    text-align: center;
    position: relative;
    transition: var(--transition);
}

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

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

.step h3 {
    margin-bottom: 1rem;
    color: var(--primary);
}

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

/* Benefits section */
.benefits {
    background-color: white;
}

.benefits h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.benefit-card {
    background-color: var(--light);
    border-radius: 10px;
    padding: 2rem;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
}

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

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

.benefit-card h3 {
    margin-bottom: 1rem;
    color: var(--primary);
}

/* FAQ section */
.faq {
    background-color: var(--light);
}

.faq h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark);
}

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

.accordion-item {
    background-color: white;
    border-radius: 10px;
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.accordion-header {
    padding: 1.2rem 1.5rem;
    cursor: pointer;
    position: relative;
    font-weight: 600;
    color: var(--dark);
    user-select: none;
}

.accordion-header::after {
    content: '+';
    position: absolute;
    right: 1.5rem;
    transition: var(--transition);
}

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

.accordion-content {
    max-height: 0;
    overflow: hidden;
    padding: 0 1.5rem;
    transition: var(--transition);
}

.accordion-item.active .accordion-content {
    max-height: 300px;
    padding: 1rem 1.5rem 1.5rem;
}

/* CTA section */
.cta {
    background: var(--gradient);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path fill="white" opacity="0.05" d="M0 0 L100 0 L0 100 Z"/></svg>');
    background-size: 100% 100%;
}

.cta-content {
    position: relative;
    z-index: 1;
    padding: 4rem 0;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
footer {
    background-color: var(--dark);
    color: white;
    padding: 5rem 0 2rem;
}

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

.footer-brand p {
    opacity: 0.7;
    margin-top: 1rem;
}

.footer-links h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-links h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary);
}

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

.footer-links ul li {
    margin-bottom: 0.8rem;
}

.footer-links ul li a {
    color: white;
    opacity: 0.7;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    opacity: 1;
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Responsive styles */
@media (max-width: 992px) {
    h1 {
        font-size: 2.8rem;
    }
    
    h2 {
        font-size: 2.2rem;
    }
    
    .hero {
        padding: 8rem 0 4rem;
    }
    
    .hero-content {
        max-width: 500px;
    }
    
    .hero-image {
        display: none;
    }
    
    .about-content {
        flex-direction: column;
        gap: 2rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        flex-direction: column;
        background-color: white;
        box-shadow: var(--shadow);
        padding: 1rem 0;
        max-height: 0;
        overflow: hidden;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        max-height: 300px;
    }
    
    .nav-menu li {
        margin: 0;
    }
    
    .nav-menu li a {
        display: block;
        padding: 0.8rem 2rem;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .steps {
        flex-direction: column;
    }
    
    .step {
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-brand {
        grid-column: span 1;
    }
}