/* Reset some default styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', 'Arial', sans-serif;
    background: #f6f7fa;
    color: #222;
    line-height: 1.6;
}

/* Color palette */
:root {
    --main-blue: #2a5bd7;
    --main-blue-dark: #1746a2;
    --main-gray: #f6f7fa;
    --border-gray: #e5e7eb;
    --text-gray: #666;
}

/* Top navigation bar styles */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8vw;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    position: sticky;
    top: 0;
    z-index: 100;
}
.logo {
    font-size: 2rem;
    font-weight: bold;
    color: var(--main-blue);
    letter-spacing: 2px;
}
.navbar ul {
    display: flex;
    gap: 32px;
    list-style: none;
}
.navbar a {
    text-decoration: none;
    color: #222;
    font-size: 1rem;
    transition: color 0.2s;
}
.navbar a:hover, .register-btn {
    color: var(--main-blue);
    font-weight: bold;
}
.register-btn {
    border: 1.5px solid var(--main-blue);
    border-radius: 20px;
    padding: 6px 18px;
    margin-left: 12px;
    background: #fff;
}

/* Hero section styles */
.hero {
    background: #fff;
    padding: 80px 8vw 60px 8vw;
    text-align: center;
    border-bottom: 1px solid var(--border-gray);
}
.hero-content h1 {
    font-size: 2.5rem;
    color: var(--main-blue);
    margin-bottom: 18px;
}
.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 32px;
    color: var(--text-gray);
}
.cta-btn {
    display: inline-block;
    background: var(--main-blue);
    color: #fff;
    padding: 12px 36px;
    border-radius: 30px;
    font-size: 1.1rem;
    text-decoration: none;
    transition: background 0.2s;
    box-shadow: 0 2px 8px rgba(42,91,215,0.08);
    border: none;
}
.cta-btn:hover {
    background: var(--main-blue-dark);
}

/* Features section styles */
.features {
    padding: 60px 8vw 40px 8vw;
    background: #fff;
    text-align: center;
    border-bottom: 1px solid var(--border-gray);
}
.features h2 {
    font-size: 2rem;
    margin-bottom: 36px;
    color: var(--main-blue);
}
.features-list {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    justify-content: center;
}
.feature-item {
    background: #fff;
    border-radius: 12px;
    padding: 32px 24px;
    width: 260px;
    box-shadow: 0 2px 8px rgba(42,91,215,0.04);
    border: 1px solid var(--border-gray);
    transition: box-shadow 0.2s, border 0.2s;
}
.feature-item h3 {
    color: var(--main-blue-dark);
    margin-bottom: 12px;
    font-size: 1.2rem;
}
.feature-item p {
    color: var(--text-gray);
}

/* Process section styles */
.process {
    padding: 60px 8vw 40px 8vw;
    background: var(--main-gray);
    text-align: center;
    border-bottom: 1px solid var(--border-gray);
}
.process h2 {
    font-size: 2rem;
    margin-bottom: 36px;
    color: var(--main-blue);
}
.process-steps {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    justify-content: center;
}
.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 120px;
}
.step-number {
    background: var(--main-blue);
    color: #fff;
    font-size: 1.5rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
    font-weight: bold;
}
.step-desc {
    font-size: 1rem;
    color: var(--text-gray);
}

/* Register section styles */
.register-section {
    padding: 60px 8vw 40px 8vw;
    background: #fff;
    text-align: center;
}
.register-section h2 {
    color: var(--main-blue);
    margin-bottom: 18px;
}
.register-section p {
    color: var(--text-gray);
}

/* Footer styles */
.footer {
    background: #fff;
    padding: 32px 8vw;
    text-align: center;
    color: var(--text-gray);
    font-size: 0.95rem;
    border-top: 1px solid var(--border-gray);
}
.footer a {
    color: var(--main-blue);
    text-decoration: none;
}
.footer a:hover {
    text-decoration: underline;
}

/* Responsive styles for mobile devices */
@media (max-width: 900px) {
    .features-list, .process-steps {
        flex-direction: column;
        gap: 18px;
    }
    .feature-item, .step {
        width: 90%;
        margin: 0 auto;
    }
    .navbar {
        flex-direction: column;
        gap: 12px;
        padding: 16px 4vw;
    }
    .hero, .features, .process, .register-section, .footer {
        padding-left: 4vw;
        padding-right: 4vw;
    }
    .hero-content h1 {
        font-size: 2rem;
    }
}