:root {
    --primary: #00A4BD;
    --primary-dark: #008799;
    --primary-light: #B3E6ED;
    --secondary: #FF9E43;
    --secondary-dark: #F08C29;
    --text-dark: #333333;
    --text-light: #FFFFFF;
    --bg-light: #F0F9FA;
    --bg-sand: #FFEED6;
    --bg-dark: #2B4D59;
    --border-radius: 8px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

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

.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 0.5em;
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
    color: var(--primary-dark);
}

h2 {
    font-size: 2rem;
    color: var(--primary);
}

h3 {
    font-size: 1.35rem;
    color: var(--primary);
}

p {
    margin-bottom: 1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--text-light);
    box-shadow: 0 4px 12px rgba(0, 164, 189, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 164, 189, 0.4);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 10px 22px;
    margin-left: 12px;
}

.btn-outline:hover {
    background-color: var(--primary-light);
    color: var(--primary-dark);
    transform: translateY(-2px);
}

/* Header */
header {
    background-color: var(--text-light);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

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

.logo span {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
}

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

.nav-menu li {
    margin-left: 24px;
}

.nav-menu a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-menu a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--primary);
    bottom: -5px;
    left: 0;
    transition: var(--transition);
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

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

/* Hero Section */
.hero {
    padding: 160px 0 80px;
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-sand) 100%);
}

.hero-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--text-dark);
    opacity: 0.9;
}

.hero-cta {
    margin-top: 30px;
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--primary);
    margin-top: -20px;
    font-weight: 500;
}

/* About Section */
.about {
    background-color: var(--text-light);
}

.about-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.about-text {
    flex: 1;
    min-width: 300px;
    padding-right: 40px;
}

.about-image {
    flex: 1;
    min-width: 300px;
    display: flex;
    justify-content: center;
}

/* Features Section */
.features {
    background-color: var(--bg-light);
}

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

.feature-card {
    background-color: var(--text-light);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    margin-bottom: 20px;
}

/* How It Works Section */
.how-it-works {
    background-color: var(--text-light);
}

.steps {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

.step {
    flex: 0 0 auto;
    width: 200px;
    text-align: center;
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: var(--primary);
    color: var(--text-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step-arrow {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
}

.cta-container {
    text-align: center;
    margin-top: 40px;
}

/* FAQ Section */
.faq {
    background-color: var(--bg-sand);
}

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

.faq-item {
    margin-bottom: 20px;
    background-color: var(--text-light);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background-color: rgba(0, 164, 189, 0.05);
}

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

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary);
    transition: var(--transition);
}

.faq-question.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-answer p {
    padding-bottom: 20px;
}

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

.footer-content {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
}

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

.footer-logo span {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-light);
}

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

.footer-links-column {
    min-width: 150px;
    margin-bottom: 20px;
}

.footer-links-column h4 {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--text-light);
}

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

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

.footer-links-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links-column a:hover {
    color: var(--text-light);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.related-terms {
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.related-terms a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    margin: 0 8px;
    transition: var(--transition);
}

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

.copyright {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Media Queries */
@media screen and (max-width: 992px) {
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .about-text {
        padding-right: 0;
        margin-bottom: 40px;
    }
}

@media screen and (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--text-light);
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .nav-menu li {
        margin: 10px 0;
    }
    
    .menu-toggle.active span:first-child {
        transform: rotate(45deg) translate(5px, 6px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:last-child {
        transform: rotate(-45deg) translate(5px, -6px);
    }
    
    .hero {
        padding: 140px 0 60px;
    }
    
    .steps {
        flex-direction: column;
    }
    
    .step {
        margin-bottom: 20px;
    }
    
    .step-arrow {
        transform: rotate(90deg);
        margin: 10px 0;
    }
    
    .btn-outline {
        margin-left: 0;
        margin-top: 15px;
    }
    
    .hero-cta {
        display: flex;
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
        margin-bottom: 15px;
    }
    
    .footer-links {
        flex-direction: column;
    }
}