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

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #333;
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --border-color: #e0e0e0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

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

/* Header & Navigation */
header {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

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

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 600;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    padding: 0.5rem 0;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--secondary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
}

/* Categories */
.categories {
    padding: 4rem 0;
}

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

.category-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.category-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.category-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--secondary-color);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
}

.btn:hover {
    background-color: #2980b9;
}

.btn-primary {
    background-color: var(--accent-color);
    width: 100%;
}

.btn-primary:hover {
    background-color: #c0392b;
}

/* Email Capture */
.email-capture {
    padding: 4rem 0;
    background-color: var(--card-bg);
}

.email-box {
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem;
    background: var(--bg-color);
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.email-box h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    text-align: center;
}

.email-box p {
    text-align: center;
    margin-bottom: 2rem;
    color: #666;
}

.email-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.email-form input[type="email"] {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.email-form input[type="email"]:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.consent-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.consent-checkbox input[type="checkbox"] {
    margin-top: 0.2rem;
    cursor: pointer;
}

.consent-checkbox label {
    font-size: 0.9rem;
    color: #666;
    cursor: pointer;
}

.form-message {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 5px;
    text-align: center;
    display: none;
}

.form-message.success {
    display: block;
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    display: block;
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Items Grid */
.items-section {
    padding: 3rem 0;
}

.page-header {
    text-align: center;
    margin-bottom: 3rem;
}

.page-header h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 700px;
    margin: 0 auto;
}

.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.item-card {
    background: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.item-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.item-content {
    padding: 1.5rem;
}

.item-content h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.item-content .item-brand {
    color: #888;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.item-content .item-description {
    margin-bottom: 1rem;
    line-height: 1.6;
    color: #555;
}

.item-content .item-features {
    margin-bottom: 1rem;
}

.item-content .item-features ul {
    list-style: none;
    padding-left: 0;
}

.item-content .item-features li {
    padding: 0.25rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #666;
}

.item-content .item-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

.item-link {
    display: block;
    text-align: center;
    padding: 0.75rem;
    background-color: var(--accent-color);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
    transition: background-color 0.3s;
}

.item-link:hover {
    background-color: #c0392b;
}

.item-link::after {
    content: " →";
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .category-grid {
        grid-template-columns: 1fr;
    }

    .items-grid {
        grid-template-columns: 1fr;
    }
}