:root {
    --primary-color: #004aad;
    --primary-light: #3370c4;
    --secondary-color: #f0f4f8;
    --text-color: #333;
    --light-text: #666;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text-color);
    background-color: var(--white);
    line-height: 1.6;
}

.navbar {
    background-color: var(--white) !important;
    box-shadow: var(--shadow);
    padding: 1rem 0;
}

.navbar-brand {
    color: var(--primary-color) !important;
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

.hero-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 86c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zm76-52c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm-6-20c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zM11 52c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm44 38c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm-44-6c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm50-18c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm0-36c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm-30 48c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm54-16c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zM24 24c5.523 0 10-4.477 10-10S29.523 4 24 4 14 8.477 14 14s4.477 10 10 10zm60 46c4.42 0 8-3.58 8-8s-3.58-8-8-8-8 3.58-8 8 3.58 8 8 8zm-54 24c3.314 0 6-2.686 6-6s-2.686-6-6-6-6 2.686-6 6 2.686 6 6 6zm48-40c3.314 0 6-2.686 6-6s-2.686-6-6-6-6 2.686-6 6 2.686 6 6 6zm-16-48c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm-40 24c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm40 40c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm-32 32c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm40-40c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM0 80c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zm52-8c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zm16-40c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM16 0c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zm76 80c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM8 40c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zm40 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zm44-52c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zm-44 40c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zm-28-40c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm16-32c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm52 72c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm-12-24c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zM8 56c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm64 0c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm-56-8c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm72 20c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm-56 36c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm16 8c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm-32-6c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm0-32c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm80-28c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm-8-36c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm-24 52c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm-8-20c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm-56 0c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm52-16c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zM28 8c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm56 64c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zM60 96c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm-8-72c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm44 4c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm-8 16c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm-40 4c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm0-24c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zM40 8c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm24 64c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zM24 96c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1z' fill='%23ffffff' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
    opacity: 0.3;
}

.hero-section h1 {
    font-weight: 800;
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: -1.5px;
}

.hero-section p {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto 2.5rem;
    opacity: 0.9;
}

.section-padding {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-title h2 {
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

.feature-card {
    padding: 40px;
    border-radius: 20px;
    background: var(--white);
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 15px;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.step-card {
    position: relative;
    padding: 2rem;
    text-align: center;
}

.step-number {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: bold;
    margin: 0 auto 1.5rem;
}

.how-to-use {
    background-color: var(--secondary-color);
}

.footer {
    background-color: #1a1a1a;
    color: var(--white);
    padding: 60px 0 20px;
}

.footer h5 {
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

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

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

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 10px;
}

.btn-primary:hover {
    background-color: var(--primary-light);
    border-color: var(--primary-light);
}

.btn-outline-light {
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 10px;
    border-width: 2px;
}

.nav-pills .nav-link {
    color: var(--primary-color);
    background-color: transparent;
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    transition: var(--transition);
}

.nav-pills .nav-link.active {
    background-color: var(--primary-color);
    color: var(--white);
}

.nav-pills .nav-link:hover:not(.active) {
    background-color: var(--secondary-color);
}

.video-container {
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.video-container:hover {
    transform: scale(1.02);
}

@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }

    .nav-pills {
        flex-direction: column;
        align-items: center;
    }

    .nav-item {
        width: 100%;
        margin-left: 0 !important;
        margin-bottom: 10px;
    }

    .nav-link {
        width: 100%;
    }
}