/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Open Sans', 'Roboto', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Advertorial Disclaimer Bar */
.disclaimer-bar {
    background-color: #f8f8f8;
    border-bottom: 1px solid #e0e0e0;
    padding: 8px 0;
    text-align: center;
    font-size: 12px;
    color: #666;
    font-style: italic;
}

/* Header */
.header {
    background-color: #ffffff;
    border-bottom: 2px solid #f0f0f0;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    font-family: 'Roboto', sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: #0056b3;
    letter-spacing: -0.5px;
}

.nav {
    display: flex;
    gap: 25px;
}

.nav a {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s ease;
}

.nav a:hover {
    color: #0056b3;
}

/* Hero Section */
.hero {
    padding: 40px 0 30px;
    background-color: #fafafa;
}

.hero-title {
    font-family: 'Roboto', sans-serif;
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
    color: #222;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 18px;
    color: #555;
    line-height: 1.5;
    margin-bottom: 20px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: #777;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.article-meta .author {
    font-weight: 600;
    color: #333;
}

.article-meta .separator {
    color: #ccc;
}

.hero-image {
    max-width: 700px;
    margin: 20px auto 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Article Content */
.article {
    padding: 50px 0;
    background-color: #ffffff;
}

.article-section {
    margin-bottom: 40px;
}

.article-section h2 {
    font-family: 'Roboto', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: #222;
    margin-bottom: 15px;
    line-height: 1.4;
}

.article-section p {
    font-size: 17px;
    line-height: 1.8;
    color: #444;
    margin-bottom: 15px;
}

.article-section ul {
    margin: 15px 0;
    padding-left: 30px;
}

.article-section li {
    font-size: 17px;
    line-height: 1.8;
    color: #444;
    margin-bottom: 10px;
}

.article-section h3 {
    font-family: 'Roboto', sans-serif;
    font-size: 20px;
    font-weight: 600;
    color: #222;
    margin-top: 25px;
    margin-bottom: 12px;
    line-height: 1.4;
}

.article-section a {
    color: #0056b3;
    text-decoration: none;
    transition: color 0.3s ease;
}

.article-section a:hover {
    color: #FF6600;
    text-decoration: underline;
}

.article-image {
    margin: 30px auto;
    text-align: center;
    max-width: 600px;
}

.article-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.image-caption {
    font-size: 14px;
    color: #666;
    font-style: italic;
    margin-top: 10px;
}

.product-image {
    max-width: 350px;
    margin: 30px auto;
}

/* Contact Form Section */
.contact-form-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 60px 0;
}

.form-title {
    font-family: 'Roboto', sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: #222;
    text-align: center;
    margin-bottom: 15px;
    line-height: 1.3;
}

.form-subtitle {
    font-size: 16px;
    color: #555;
    text-align: center;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
    font-size: 15px;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 16px;
    font-family: 'Open Sans', sans-serif;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #0056b3;
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
}

.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 16px;
    font-family: 'Open Sans', sans-serif;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    resize: vertical;
    min-height: 120px;
}

.form-group select {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 16px;
    font-family: 'Open Sans', sans-serif;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background-color: #ffffff;
    cursor: pointer;
}

.form-group input[type="checkbox"] {
    width: auto;
    margin-right: 8px;
    cursor: pointer;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
    font-size: 15px;
    cursor: pointer;
}

.form-group label:has(input[type="checkbox"]) {
    display: flex;
    align-items: center;
    font-weight: 400;
    margin-bottom: 0;
}

.cta-button {
    width: 100%;
    background-color: #FF6600;
    color: #ffffff;
    border: none;
    padding: 18px 30px;
    font-size: 18px;
    font-weight: 700;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-family: 'Roboto', sans-serif;
}

.cta-button:hover {
    background-color: #e55a00;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 102, 0, 0.3);
}

.cta-button:active {
    transform: translateY(0);
}

.form-note {
    font-size: 13px;
    color: #666;
    text-align: center;
    margin-top: 20px;
    line-height: 1.5;
}

/* Sticky Mobile CTA */
.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #ffffff;
    padding: 12px 20px;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    display: none;
}

.sticky-cta .cta-button {
    font-size: 16px;
    padding: 14px 20px;
}

/* Footer */
.footer {
    background-color: #2c2c2c;
    color: #cccccc;
    padding: 50px 0 20px;
}

.footer-content {
    margin-bottom: 30px;
}

.footer-legal {
    margin-bottom: 30px;
}

.footer-legal h3 {
    color: #ffffff;
    font-size: 18px;
    margin-bottom: 15px;
    font-weight: 600;
}

.footer-legal p {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 8px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #444;
}

.footer-links a {
    color: #0056b3;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #FF6600;
    text-decoration: underline;
}

.footer-disclaimer {
    background-color: #222;
    padding: 20px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.footer-disclaimer p {
    font-size: 13px;
    line-height: 1.6;
    color: #aaa;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444;
    font-size: 13px;
    color: #888;
}

/* Responsive Design - Mobile First */
@media (max-width: 768px) {
    .hero-title {
        font-size: 26px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .article-section h2 {
        font-size: 22px;
    }

    .article-section p {
        font-size: 16px;
    }

    .nav {
        gap: 15px;
        font-size: 14px;
    }

    .contact-form {
        padding: 30px 20px;
    }

    .form-title {
        font-size: 24px;
    }

    .sticky-cta {
        display: block;
    }

    .logo {
        font-size: 24px;
    }

    .header-content {
        gap: 15px;
    }

    .hero-image {
        max-width: 100%;
    }

    .article-image {
        max-width: 100%;
    }

    .product-image {
        max-width: 280px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 22px;
    }

    .nav {
        width: 100%;
        justify-content: center;
        margin-top: 10px;
    }

    .nav a {
        font-size: 13px;
    }

    .form-title {
        font-size: 20px;
    }

    .cta-button {
        font-size: 16px;
        padding: 16px 24px;
    }

    .product-image {
        max-width: 250px;
    }
}

/* Tablet and Desktop */
@media (min-width: 769px) {
    .hero-title {
        font-size: 42px;
    }

    .hero-subtitle {
        font-size: 20px;
    }

    .article-section h2 {
        font-size: 28px;
    }

    .article-section p {
        font-size: 18px;
    }

    .container {
        padding: 0 40px;
    }

    .hero-image {
        max-width: 800px;
    }

    .article-image {
        max-width: 650px;
    }

    .product-image {
        max-width: 400px;
    }
}

@media (min-width: 1024px) {
    .hero {
        padding: 60px 0 40px;
    }

    .article {
        padding: 70px 0;
    }

    .contact-form-section {
        padding: 80px 0;
    }
}