:root {
    --primary: #007bff;
    --primary-dark: #0056b3;
    --secondary: #6c757d;
    --light-bg: #f8f9fa;
    --dark-text: #2c3e50;
    --white: #ffffff;
    --success: #28a745;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    background-color: var(--white);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: var(--white);
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary);
    text-decoration: none;
}

.btn-header {
    background: var(--primary);
    color: white;
    padding: 8px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.2s;
}
.btn-header:hover { background: var(--primary-dark); }

.hero {
    padding: 140px 0 80px;
    text-align: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}
.hero h1 { font-size: 2.5rem; margin-bottom: 1rem; }
.hero p { font-size: 1.2rem; color: var(--secondary); margin-bottom: 2rem; max-width: 700px; margin-left: auto; margin-right: auto; }

.btn-hero {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: bold;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0,123,255,0.3);
    transition: transform 0.2s;
}
.btn-hero:hover { transform: translateY(-2px); background: var(--primary-dark); }

.features { padding: 80px 0; }
.section-title { text-align: center; margin-bottom: 50px; }
.section-title h2 { font-size: 2rem; margin-bottom: 10px; }

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    padding: 30px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    text-align: left;
}
.feature-card h3 { text-align: center; margin-bottom: 15px; color: var(--primary); }
.feature-card ul { list-style: none; margin-bottom: 15px; }
.feature-card ul li { margin-bottom: 8px; border-bottom: 1px solid #eee; padding-bottom: 4px; }
.feature-card strong { color: var(--dark-text); }
.feature-icon { font-size: 2.5rem; margin-bottom: 15px; display: block; text-align: center; }

.pricing { background: var(--light-bg); padding: 80px 0; text-align: center; }
.price-card {
    background: white;
    max-width: 500px;
    margin: 0 auto;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-top: 5px solid var(--primary);
}
.price-tag { font-size: 3rem; font-weight: bold; color: var(--primary); margin: 10px 0; }
.price-tag span { font-size: 1rem; color: var(--secondary); font-weight: normal; }

.gallery { padding: 80px 0; }
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}
.gallery-grid img:hover { transform: scale(1.02); }

footer { 
    background: var(--dark-text); 
    color: #ecf0f1; 
    padding: 60px 0; 
    text-align: center; 
    margin-top: auto;
}
footer a { color: #bdc3c7; text-decoration: none; }
footer a:hover { color: white; }
footer p { margin-bottom: 10px; }

@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .nav-wrapper { padding: 0 15px; }
}