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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* Header */
header {
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

header h1 {
    font-size: 24px;
    color: #2c3e50;
}

header h1 a {
    color: #2c3e50;
    text-decoration: none;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: #555;
    text-decoration: none;
    font-size: 15px;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #e74c3c;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://images.unsplash.com/photo-1511616129210-f446160fd1f1?ixlib=rb-4.0.3&auto=format&fit=crop&w=1500&q=80');
    background-size: cover;
    background-position: center;
    height: 100vh;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin-top: 60px;
}

.hero h2 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    margin-bottom: 40px;
}

.btn {
    display: inline-block;
    background: #e74c3c;
    color: #fff;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background 0.3s;
}

.btn:hover {
    background: #c0392b;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: #f4f4f4;
}

.features h3 {
    text-align: center;
    margin-bottom: 40px;
    color: #2c3e50;
    font-size: 32px;
}

.feature-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.feature-card {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-card h3 {
    margin-bottom: 15px;
    color: #e74c3c;
    font-size: 20px;
}

/* Tips Section */
.tips {
    padding: 80px 0;
    background: #fff;
}

.tips h3 {
    text-align: center;
    margin-bottom: 40px;
    color: #2c3e50;
    font-size: 32px;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.tip-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    border-left: 4px solid #3498db;
    transition: background 0.3s, transform 0.3s;
}

.tip-card:hover {
    background: #e9ecef;
    transform: translateY(-5px);
}

.tip-number {
    background: #3498db;
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 15px;
}

.tip-card h4 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 20px;
}

.tip-card p {
    color: #555;
    font-size: 15px;
}

/* Footer */
footer {
    background: #2c3e50;
    color: #fff;
    padding: 20px 0;
    margin-top: 40px;
}

footer .container {
    text-align: center;
}

footer p {
    font-size: 14px;
}