/* Base Styles */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --text-color: #333;
    --border-radius: 5px;
    --box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #f9f9f9;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Typography */
h1, h2, h3 {
    margin-bottom: 0.5rem;
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

/* Header */
header {
    background-color: var(--primary-color);
    color: white;
    padding: 1.5rem 0;
    box-shadow: var(--box-shadow);
}

header p {
    opacity: 0.8;
}

/* Navigation */
.main-nav ul {
    list-style: none;
    display: flex;
    margin-top: 1rem;
    justify-content: flex-start;
    align-items: center;
    padding: 0;
}

.main-nav li {
    margin-right: 1.5rem;
}

.main-nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    position: relative;
    opacity: 0.8;
    transition: all 0.3s ease;
    border-radius: var(--border-radius);
}

.main-nav a:hover {
    opacity: 1;
    background-color: rgba(255, 255, 255, 0.1);
}

.main-nav a.active {
    opacity: 1;
    font-weight: 600;
}

.main-nav a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--secondary-color);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: #95a5a6;
    color: white;
}

.btn-secondary:hover {
    background-color: #7f8c8d;
    transform: translateY(-2px);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4rem 0;
    gap: 2rem;
}

.hero-content {
    flex: 1;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.placeholder-image {
    background-color: var(--light-color);
    width: 100%;
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    color: var(--dark-color);
    border-radius: var(--border-radius);
}

/* Features Section */
.features {
    padding: 4rem 0;
    text-align: center;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background-color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background-color: var(--secondary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    font-weight: bold;
}

/* Dimensions Section */
.dimensions {
    padding: 4rem 0;
    /* background-color: var(--light-color); */
    text-align: center;
}

.dimensions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.dimension-card {
    background-color: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: left;
    transition: transform 0.3s ease;
}

.dimension-card:hover {
    transform: translateY(-3px);
}

.dimension-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: white;
    padding: 1.5rem 0;
    text-align: center;
}

/* Welcome Message */
.welcome-message {
    background-color: var(--secondary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    margin-top: 1rem;
    display: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .main-nav ul {
        flex-wrap: wrap;
    }
    
    .main-nav li {
        margin-right: 1rem;
        margin-bottom: 0.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
}