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

body {
font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
background: #f5f5f5;
color: #1a1a1a;
line-height: 1.6;
}

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

.header {
background: #fff;
position: fixed;
width: 100%;
top: 0;
z-index: 1000;
box-shadow: 0 2px 10px rgba(0,0,0,0.1);
border-bottom: 3px solid #0070d1;
}

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

.logo {
font-size: 2rem;
font-weight: 800;
color: #0070d1;
text-transform: uppercase;
letter-spacing: 2px;
}

.nav-menu {
display: flex;
list-style: none;
gap: 2rem;
}
.nav-menu a {
color: #1a1a1a;
text-decoration: none;
font-weight: 600;
font-size: 1rem;
transition: color 0.3s;
padding: 0.5rem 0;
}

.nav-menu a:hover,
.nav-menu a.active {
color: #0070d1;
}

.burger {
display: none;
flex-direction: column;
cursor: pointer;
gap: 5px;
}

.burger span {
width: 28px;
height: 3px;
background: #0070d1;
border-radius: 3px;
transition: all 0.3s;
}

.hero {
min-height: 100vh;
display: flex;
align-items: center;
justify-content: center;
text-align: center;
background: linear-gradient(135deg, #0070d1 0%, #00a8e8 100%);
padding-top: 80px;
color: #fff;
}

.hero h1 {
font-size: 4rem;
margin-bottom: 1.5rem;
text-transform: uppercase;
letter-spacing: 3px;
}

.hero-subtitle {
font-size: 1.8rem;
margin-bottom: 1rem;opacity: 0.95;
}

.hero-text {
font-size: 1.3rem;
margin-bottom: 2.5rem;
opacity: 0.9;
max-width: 600px;
margin-left: auto;
margin-right: auto;
}

.hero-links {
display: flex;
gap: 1.5rem;
justify-content: center;
flex-wrap: wrap;
}

.btn {
display: inline-block;
padding: 1rem 2.5rem;
border: none;
border-radius: 50px;
font-size: 1.1rem;
cursor: pointer;
transition: all 0.3s;
text-decoration: none;
font-weight: 700;
text-transform: uppercase;
}

.btn-primary {
background: #fff;
color: #0070d1;
box-shadow: 0 5px 20px rgba(0,0,0,0.2);
}

.btn-primary:hover {
transform: translateY(-3px);
box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

.btn-secondary {
background: transparent;
color: #fff;
border: 2px solid #fff;
}

.btn-secondary:hover {background: #fff;
color: #0070d1;
}

.section-title {
font-size: 2.5rem;
text-align: center;
margin: 3rem 0;
color: #1a1a1a;
position: relative;
padding-bottom: 1rem;
}

.section-title::after {
content: '';
position: absolute;
bottom: 0;
left: 50%;
transform: translateX(-50%);
width: 80px;
height: 4px;
background: #0070d1;
}

.preview {
padding: 5rem 0;
background: #fff;
}

.preview-grid {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 2rem;
}

.preview-card {
background: #f8f9fa;
padding: 2.5rem;
border-radius: 15px;
border: 2px solid #e9ecef;
transition: all 0.3s;
text-align: center;
}

.preview-card:hover {
transform: translateY(-5px);
border-color: #0070d1;
box-shadow: 0 10px 30px rgba(0,112,209,0.15);
}
.preview-card h3 {
color: #0070d1;
font-size: 1.5rem;
margin-bottom: 1rem;
}

.preview-card p {
color: #666;
margin-bottom: 1.5rem;
}

.link {
color: #0070d1;
text-decoration: none;
font-weight: 600;
}

.link:hover {
text-decoration: underline;
}

.page-header {
background: linear-gradient(135deg, #0070d1, #00a8e8);
padding: 150px 0 80px;
text-align: center;
color: #fff;
margin-top: 60px;
}

.page-header h1 {
font-size: 3rem;
text-transform: uppercase;
}

.footer {
background: #1a1a1a;
color: #fff;
padding: 3rem 0;
text-align: center;
margin-top: 5rem;
}

.footer p {
margin: 0.5rem 0;
opacity: 0.9;
}

.disclaimer {
font-size: 0.9rem;
opacity: 0.7;}

.copyright {
margin-top: 1.5rem;
color: #0070d1;
font-weight: 600;
}

@media (max-width: 768px) {
.nav-menu {
position: fixed;
left: -100%;
top: 70px;
flex-direction: column;
background: #fff;
width: 100%;
text-align: center;
transition: 0.3s;
padding: 2rem 0;
box-shadow: 0 5px 10px rgba(0,0,0,0.1);
gap: 1.5rem;
}
.nav-menu.active {
left: 0;
}
.burger {
display: flex;
}
.hero h1 {
font-size: 2.5rem;
}
.hero-subtitle {
font-size: 1.3rem;
}
.hero-text {
font-size: 1.1rem;
}
.preview-grid {
grid-template-columns: 1fr;
}
.section-title {
font-size: 2rem;
}
.page-header h1 {
font-size: 2rem;
}
}