:root {
    --primary-color: #0066cc;
    --primary-dark: #004d99;
    --text-color: #333333;
    --text-light: #666666;
    --bg-color: #f8f9fa;
    --white: #ffffff;
    --border-color: #e2e8f0;
    --transition: all 0.3s ease;
}

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

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

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

/* Header */
.site-header {
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 75px;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 10px;
}

.site-logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.brand-name {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 0.5px;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 17px;
    font-weight: 500;
    transition: var(--transition);
}

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

/* Hero Section */
.hero-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f0f7ff 0%, #f8f9fa 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 50px;
    align-items: center;
}

.hero-content h1 {
    font-size: 42px;
    line-height: 1.25;
    margin-bottom: 20px;
    color: #111827;
}

.hero-desc {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 30px;
}

.hero-btns {
    display: flex;
    gap: 15px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 16px;
    font-weight: 500;
    border-radius: 6px;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
}

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

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

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

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

/* Layout & Grid */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 40px;
}

.card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 30px;
    transition: var(--transition);
}

.card:hover {
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}

.feature-icon {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.responsive-img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.rounded-shadow {
    box-shadow: 0 15px 30px rgba(0,0,0,0.08);
}

/* Sections */
section {
    padding: 60px 0;
}

section h2 {
    font-size: 32px;
    text-align: center;
    margin-bottom: 20px;
}

.page-content {
    padding: 60px 0;
}

.page-content h1 {
    font-size: 38px;
    margin-bottom: 20px;
}

.lead-text {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 30px;
}

.info-box {
    background-color: #f0f7ff;
    border-left: 4px solid var(--primary-color);
    padding: 25px;
    border-radius: 0 8px 8px 0;
    margin-top: 30px;
}

/* Footer */
.site-footer {
    background-color: #111827;
    color: #9ca3af;
    padding: 60px 0 20px;
    margin-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.footer-brand span {
    color: var(--white);
    font-size: 20px;
    font-weight: 700;
}

.footer-col h4 {
    color: var(--white);
    font-size: 16px;
    margin-bottom: 20px;
}

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

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

.footer-col a {
    color: #9ca3af;
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid #1f2937;
    padding-top: 20px;
    text-align: center;
    font-size: 14px;
}

@media(max-width: 768px) {
    .hero-grid, .grid-3, .grid-2, .footer-grid {
        grid-template-columns: 1fr;
    }
    .main-nav {
        display: none;
    }
}