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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* Top Banner */
.top-banner {
    background-color: #000;
    color: #fff;
    padding: 12px 0;
    text-align: center;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.top-banner p {
    margin: 0;
}

/* Header */
.header {
    background-color: #fff;
    border-bottom: 1px solid #e5e5e5;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 0;
}

.logo {
    font-size: 1.6rem;
    font-weight: 600;
    color: #000;
    letter-spacing: -0.3px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: #333;
    transition: all 0.3s;
}

.main-nav {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.main-nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color 0.3s;
}

.main-nav a:hover {
    color: #666;
}

.btn-order {
    padding: 0.7rem 1.5rem;
    background-color: #000;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: background-color 0.3s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-order:hover {
    background-color: #333;
}

/* Hero Section */
.hero-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-bottom: 1px solid #e5e5e5;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #000;
    line-height: 1.2;
    margin: 0;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #555;
    line-height: 1.6;
    margin: 0;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 1rem 0;
}

.hero-feature {
    background-color: #fff;
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    font-size: 0.9rem;
    color: #333;
    border: 1px solid #e5e5e5;
    font-weight: 500;
}

.btn-hero {
    display: inline-block;
    padding: 1.2rem 2.5rem;
    background-color: #000;
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    max-width: 350px;
}

.btn-hero:hover {
    background-color: #333;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.hero-image {
    width: 100%;
    background-color: #f8f9fa;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

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

/* Product Section */
.product-section {
    padding: 4rem 0;
    background-color: #fff;
    border-top: 1px solid #e5e5e5;
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.product-image-main {
    width: 100%;
    margin-bottom: 1rem;
    background-color: #f8f9fa;
    border-radius: 8px;
    overflow: hidden;
}

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

.product-thumbnails {
    display: flex;
    gap: 0.75rem;
}

.thumbnail {
    width: 70px;
    height: 70px;
    border-radius: 6px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.3s;
    object-fit: cover;
    background-color: #f8f9fa;
}

.thumbnail:hover,
.thumbnail.active {
    border-color: #000;
}

.product-title {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #000;
    line-height: 1.3;
    font-weight: 600;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.stars {
    color: #ffc107;
    font-size: 1rem;
}

.rating-text {
    color: #666;
    font-size: 0.85rem;
}

.product-price {
    margin-bottom: 1.5rem;
}

.price-sale {
    font-size: 1.8rem;
    font-weight: 600;
    color: #000;
}

.price-regular {
    font-size: 1.1rem;
    color: #999;
    text-decoration: line-through;
    margin-left: 0.5rem;
}

.product-description {
    margin-bottom: 2rem;
    color: #555;
    line-height: 1.8;
    font-size: 0.95rem;
}

.product-features {
    margin-bottom: 2rem;
}

.product-features h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: #000;
    font-weight: 600;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.feature-icon {
    color: #28a745;
    font-weight: bold;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.feature-content {
    color: #555;
    line-height: 1.6;
    font-size: 0.95rem;
}

.product-specs {
    background-color: #f8f9fa;
    padding: 1.5rem;
    border-radius: 6px;
    margin-bottom: 2rem;
}

.product-specs h3 {
    margin-bottom: 1rem;
    color: #000;
    font-size: 1.1rem;
    font-weight: 600;
}

.product-specs ul {
    list-style: none;
    padding: 0;
}

.product-specs ul li {
    padding: 0.5rem 0;
    color: #555;
    border-bottom: 1px solid #e5e5e5;
    font-size: 0.95rem;
}

.product-specs ul li:last-child {
    border-bottom: none;
}

.product-cta {
    margin-bottom: 2rem;
}

.btn-primary {
    display: block;
    width: 100%;
    padding: 1.1rem 2rem;
    background-color: #000;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    transition: background-color 0.3s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    background-color: #333;
}

.trust-badges {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.trust-badge {
    background-color: #f8f9fa;
    padding: 1rem;
    border-radius: 6px;
    text-align: center;
    border: 1px solid #e5e5e5;
}

.trust-badge strong {
    display: block;
    color: #000;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.trust-badge span {
    color: #666;
    font-size: 0.75rem;
}

.important-notice {
    background-color: #fff3cd;
    border: 1px solid #ffc107;
    padding: 1.25rem;
    border-radius: 6px;
    margin-top: 2rem;
}

.important-notice p {
    margin-bottom: 0.5rem;
    color: #856404;
    font-size: 0.9rem;
    line-height: 1.6;
}

.important-notice p:last-child {
    margin-bottom: 0;
}

.important-notice strong {
    color: #856404;
    font-weight: 600;
}

/* Description Section */
.description-section {
    padding: 4rem 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
}

.description-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.description-text {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.description-text .section-title {
    text-align: left;
    margin-bottom: 0;
    font-size: 2rem;
}

.description-text p {
    color: #555;
    line-height: 1.8;
    font-size: 1rem;
    margin: 0;
}

.description-features {
    background-color: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    border: 1px solid #e5e5e5;
}

.description-features h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: #000;
    font-weight: 600;
}

.description-features .how-it-works-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.description-features .how-it-works-list li {
    padding: 0.8rem 0;
    border-bottom: 1px solid #f0f0f0;
    color: #555;
    font-size: 0.95rem;
    position: relative;
    padding-left: 1.5rem;
}

.description-features .how-it-works-list li:last-child {
    border-bottom: none;
}

.description-features .how-it-works-list li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: #000;
    font-weight: bold;
}

/* Benefits Section */
.benefits-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #000;
    font-weight: 600;
}

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

.benefit-card {
    background-color: #fff;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid #e5e5e5;
    transition: all 0.3s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.benefit-card:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    transform: translateY(-4px);
    border-color: #000;
}

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.benefit-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #000;
    font-weight: 600;
}

.benefit-card p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}


/* Guarantee Section */
.guarantee {
    padding: 5rem 0;
    background-color: #000;
    color: #fff;
}

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

.guarantee-item {
    text-align: center;
    padding: 2rem;
    background-color: rgba(255,255,255,0.05);
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s;
}

.guarantee-item:hover {
    background-color: rgba(255,255,255,0.1);
    transform: translateY(-4px);
}

.guarantee-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.guarantee-item h3 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: #fff;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.guarantee-item p {
    color: #ccc;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* FAQ Section */
.faq {
    padding: 5rem 0;
    background-color: #fff;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.faq-item:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    border-color: #000;
    transform: translateY(-2px);
}

.faq-item h3 {
    color: #000;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.faq-item p {
    color: #666;
    line-height: 1.8;
    font-size: 0.95rem;
}

/* CTA Section */
.cta-section {
    padding: 4rem 0;
    background-color: #000;
    color: #fff;
    text-align: center;
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.cta-section p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.btn-primary-large {
    display: inline-block;
    padding: 1.2rem 3rem;
    background-color: #fff;
    color: #000;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: background-color 0.3s, transform 0.3s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary-large:hover {
    background-color: #f0f0f0;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background-color: #000;
    color: #fff;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    color: #fff;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.footer-section h4 {
    color: #fff;
    margin-bottom: 1rem;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-section p {
    color: #ccc;
    line-height: 1.8;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
    font-size: 0.9rem;
}

.footer-section ul li a:hover {
    color: #fff;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
}

.footer-legal {
    border-top: 1px solid #333;
    padding-top: 2rem;
    margin-bottom: 2rem;
}

.footer-legal h3 {
    color: #fff;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    font-weight: 600;
}

.legal-info {
    margin-bottom: 2rem;
}

.legal-info p {
    color: #ccc;
    margin-bottom: 0.5rem;
    line-height: 1.8;
    font-size: 0.9rem;
}

.legal-info strong {
    color: #fff;
}

.health-notice {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 6px;
    margin-bottom: 2rem;
}

.health-notice h4 {
    color: #fff;
    margin-bottom: 1rem;
    font-size: 1rem;
    font-weight: 600;
}

.health-notice p {
    color: #ccc;
    line-height: 1.8;
    font-size: 0.9rem;
}

.contact-info-footer {
    margin-bottom: 2rem;
}

.contact-info-footer p {
    color: #ccc;
    margin-bottom: 0.5rem;
    line-height: 1.8;
    font-size: 0.9rem;
}

.contact-info-footer strong {
    color: #fff;
}

.contact-info-footer a {
    color: #ccc;
    text-decoration: none;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: #ccc;
    font-size: 0.9rem;
}

/* Legal Pages */
.legal-page {
    padding: 3rem 0;
    min-height: 60vh;
    background-color: #fff;
}

.legal-page h1 {
    font-size: 2.2rem;
    margin-bottom: 2rem;
    color: #000;
    font-weight: 600;
}

.legal-page section {
    margin-bottom: 2.5rem;
}

.legal-page h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #000;
    font-weight: 600;
}

.legal-page h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    margin-top: 1.5rem;
    color: #000;
    font-weight: 600;
}

.legal-page p {
    margin-bottom: 1rem;
    color: #555;
    line-height: 1.8;
    font-size: 0.95rem;
}

.legal-page ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.legal-page ul li {
    margin-bottom: 0.5rem;
    color: #555;
    line-height: 1.8;
    font-size: 0.95rem;
}

.legal-page a {
    color: #000;
    text-decoration: underline;
}

.legal-page a:hover {
    color: #666;
}

.withdrawal-form {
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 6px;
    margin: 2rem 0;
    border: 1px solid #e5e5e5;
}

.withdrawal-form p {
    margin-bottom: 1rem;
    color: #555;
    line-height: 1.8;
}

.withdrawal-form strong {
    color: #000;
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: #fff;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        display: none;
        gap: 1rem;
    }

    .main-nav.active {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-features {
        flex-direction: column;
    }

    .product-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .product-title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .description-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .description-text .section-title {
        text-align: center;
    }

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

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

    .trust-badges {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .cta-section h2 {
        font-size: 1.6rem;
    }

    .cta-section p {
        font-size: 1rem;
    }
}

/* Image Placeholders */
img {
    max-width: 100%;
    height: auto;
}